Technology, Engineering & Agriculture Books

19323 products


  • Imray, Laurie, Norie & Wilson Ltd Imray Chart Y50: Saint Mary's, Tresco and Surrounding Islands (Small Format): 2022

    15 in stock

    Book SynopsisPart of the small format Y series (A2 size), this replicates sheet 2400.15 from the 2400 West Country Chart Pack

    15 in stock

    £16.10

  • Imray, Laurie, Norie & Wilson Ltd Imray Chart Pack 2500: The Channel Islands and Adjacent coast of France Chart Pack Wiro Version: 2022

    4 in stock

    Book Synopsis1. Approaches to the Channel Islands (1: 500 000) 2. Cap Barfleur to Alderney (1: 150 000) Plans Cherbourg (1:40 000) Port de Chantereyne (Cherbourg) (1:10 000) 3. Alderney & Burhou (1: 25 000) Plan Alderney Harbour (1:12 500) 4. Passages Between Alderney & Guernsey (1: 150 000) Plan Dielette (1:15 000) 5. Guernsey, Herm & Sark (1: 60 000) 6. East Guernsey & Herm (1: 25 000) 7. Guernsey & Sark Plans (various scales) Plans St Peter Port & Havelet Bay (1:6000) Beaucette Marina (1:10 000) Sark Anchorages (1:25 000) Guernsey - South Coast Anchorages (1:25 000) 8. Passages Between Guernsey & Jersey (1: 150 000) Plan Carteret (1:22 500) 9. Jersey & Les Ecrehou (1: 75 000) 10. Approaches to St Helier (1: 30 000) Plan St Helier Harbour (1:15 000) 11. East Coast of Jersey (1: 25 000) 12. Jersey to Granville (1: 150 000) Plan Granville (1:30 000) 13. Plateau des Minquiers (1: 50 000) 14. Plateau des Minquiers to St-Malo (1: 150 000) Plan St-Malo Approaches (1:55 000) 15. Iles Chausey (1: 25 000) 16. St-Malo & La Rance (1: 15 000) 17. La Rance - Cancaval to Lyvet (1: 25 000). For this 2022 edition the latest depth surveys have been applied. There has been general updating throughout. This edition has tidal stream information included.

    4 in stock

    £53.96

  • 2600 Bristol Channel Chart Pack: Trevose Head to St David's Head including the River Severn: 2023

    Imray, Laurie, Norie & Wilson Ltd 2600 Bristol Channel Chart Pack: Trevose Head to St David's Head including the River Severn: 2023

    15 in stock

    Book Synopsis2600.1 Trevose Head to St David's Head 1:450, 000 WGS 84 2600.2 Padstow to Hartland Point 1:120, 000 WGS 84 Plans Approaches to Padstow, Bude Haven 2600.3 Hartland to Ilfracombe 1:140, 000 WGS 84 Plans Barnstaple to Bideford, Lundy, Continuation to Barnstaple 2600.4 Approaches to the Bristol Channel 1:130, 000 WGS 84 2600.5 Ilfracombe to Nash Point 1:130, 000 WGS 84 Plans The Mumbles, Swansea Marina, Porthcawl, Ilfracombe 2600.6 Nash Point to Flat Holm 1:80, 000 WGS 84 Plans Watchet 2600.7 Flat Holm to Avonmouth 1:70, 000 WGS 84 Plans Cardiff Bay 2600.8 River Severn to Sharpness 1:50, 000 WGS 84 Plans Sharpness 2600.9 River Avon 1: 20, 000 WGS 84 Plans River Avon (continuation) 2600.10 Tenby to Skomer Island 1:135 000 WGS 84 Plans Jack Sound, Tenby & Caldey Island 2600.11 Milford Haven - St Ann's Head to Neyland Point 1:30, 000 WGS 84 Plans Milford Marina 2600.12 River Cleddau - above Neyland Point 1:25, 000 WGS 84 Plans Neyland Yacht Haven, Continuation to Haverfordwest Imray Digital Charts: Free mobile download A voucher code to download the relevant Imray digital charts into our Imray Navigator app is included with this atlas.

    15 in stock

    £49.46

  • Imray, Laurie, Norie & Wilson Ltd 2600 Bristol Channel Chart Pack Wirobound: Trevose Head to St David's Head including the River Severn: 2023

    5 in stock

    Book SynopsisThe atlas contains 12 sheets- 2600.1 Trevose Head to St David's Head 1:450, 000 WGS 84 2600.2 Padstow to Hartland Point 1:120, 000 WGS 84 Plans Approaches to Padstow, Bude Haven 2600.3 Hartland to Ilfracombe 1:140, 000 WGS 84 Plans Barnstaple to Bideford, Lundy, Continuation to Barnstaple 2600.4 Approaches to the Bristol Channel 1:130, 000 WGS 84 2600.5 Ilfracombe to Nash Point 1:130, 000 WGS 84 Plans The Mumbles, Swansea Marina, Porthcawl, Ilfracombe 2600.6 Nash Point to Flat Holm 1:80, 000 WGS 84 Plans Watchet 2600.7 Flat Holm to Avonmouth 1:70, 000 WGS 84 Plans Cardiff Bay 2600.8 River Severn to Sharpness 1:50, 000 WGS 84 Plans Sharpness 2600.9 River Avon 1: 20, 000 WGS 84 Plans River Avon (continuation) 2600.10 Tenby to Skomer Island 1:135 000 WGS 84 Plans Jack Sound, Tenby & Caldey Island 2600.11 Milford Haven - St Ann's Head to Neyland Point 1:30, 000 WGS 84 Plans Milford Marina 2600.12 River Cleddau - above Neyland Point 1:25, 000 WGS 84 Plans Neyland Yacht Haven, Continuation to Haverfordwest Imray Digital Charts: Free mobile download A voucher code to download the relevant Imray digital charts into our Imray Navigator app is included with this atlas.

    5 in stock

    £53.96

  • Imray, Laurie, Norie & Wilson Ltd 2400 West Country Chart Pack Wirobound: River Dart to the Isles of Scilly and Padstow: 2022

    Out of stock

    Book SynopsisA convenient A2 format chart pack of The West Country provided in a sturdy plastic wallet. 2400.1 Land's End to Trevose Head 1: 180 000 WGS 84 Includes plans Newquay Bay (1:10 000) and Saint Ives (1:15 000) 2400.2 Approaches to the Isles of Scilly 1: 120 000 WGS 84 2400.3 Isles of Scilly 1: 40 000 WGS 84 Includes plan St Mary's Road (1:25 000) 2400.4 River Camel 1: 30 000 WGS 84 Includes plan Padstow Harbour (1:10 000) 2400.5 Salcombe Harbour 1: 15 000 WGS 84 Includes plan Salcombe (1:9000) 2400.6 River Yealm 1: 12 500 WGS 84 Includes plan Continuation of River Yealm (1:15 000) 2400.7 River Fowey 1: 9000 WGS 84 Includes plan Continuation to Lostwithiel (1:20 000) 2400.8 Dartmouth to Fowey 1: 150 000 WGS 84 Includes plans Polperro (1:3500) and Looe (1:10 000) 2400.9 Fowey to Lizard Point 1: 110 000 WGS 84 Includes plans Mevagissey Harbour (1:3500) and Gorran Haven (1:30 000) 2400.10 Lizard Point to Land's End 1: 75 000 WGS 84 Includes plans Penzance (1:12 000), Newlyn Harbour (1:10 000) and Mousehole (1:5000) 2400.11 Helford River 1: 17 000 WGS 84 Includes plan Continuation of Helford River to Gweek (1:17 000) 2400.12 Falmouth Harbour 1: 20 000 WGS 84 Includes plans Mylor Yacht Harbour (1:10 000), Falmouth Marina (1:5000) and Falmouth Inner Harbour (1:10 000) 2400.13 Plymouth Harbour 1: 20 000 WGS 84 Includes plans King Point & Millbay Marinas (1:10 000) and Continuation of River Yealm (1:20 000) 2400.14 Plymouth to Saltash and Saint Germans 1: 20 000 WGS 84 Includes plans Mayflower Marina (1:5000), Sutton Harbour and Queen Anne's Battery Marina (1:7500) and Plymouth Yacht Haven (1:5000) 2400.15 Saint Mary's, Tresco and Surrounding Islands 1: 20 000 WGS 84 2400.16 River Dart 1: 15 000 WGS 84 Plans Kingswear, Continuation to Totnes. Various individual sheets of this chart pack are available separately. These form part of our 'small format Y chart series' that mirror coverage of charts from the corresponding atlas and printed A2 size. For details of these please see their individual web page (Y43, Y44, Y45, Y46, Y47, Y48, Y49 and Y50). This pack is available non-wiro bound.

    Out of stock

    £999.99

  • C33A: Channel Islands (North): 2022

    Imray, Laurie, Norie & Wilson Ltd C33A: Channel Islands (North): 2022

    7 in stock

    Book SynopsisPlans included: Alderney Harbour (1:9000) Beaucette Marina (1:15 000) St Sampson Hbr (1:20 000) St Peter Port (1:10 000) Creux Harbour Approaches (1:25 000) Gorey (1:20 000) Omonville (1:7000) Herm Harbour & Rosiere Anchorage (1:30 000) Dielette (1:15 000) Carteret (1:22 500) Bays of Sark (1:25 000) Little Russel (1:50 000) This edition includes the latest official UKHO and SHOM data, combined with additional information sourced from Imray's network to make it ideal for small craft. The chart has been fully revised throughout including the latest bathymetric survey data.

    7 in stock

    £24.65

  • Imray C33B Channel Islands (South): Jersey to Mont St-Michel and Baie de Saint-Brieuc: 2022

    Imray, Laurie, Norie & Wilson Ltd Imray C33B Channel Islands (South): Jersey to Mont St-Michel and Baie de Saint-Brieuc: 2022

    Book SynopsisPlans included: St-Quay-Portrieux (1:25 000) Binic (1:12 500) Dahouet (1:10 000) Erquy (1:20 000) Saint-Cast-Le-Guildo (1:20 000) St-Malo Approaches (1:55 000) St-Malo (1:17 500) Granville (1:15 000) St Helier Approaches (Jersey) (1:30 000) St Helier Harbour (1:12 500) This edition includes the latest official UKHO and SHOM data, combined with additional information sourced from Imray's network to make it ideal for small craft. The chart has been fully revised throughout including the latest bathymetric survey data and updated wind farm detail.

    £24.65

  • Imray, Laurie, Norie & Wilson Ltd Imray 2000 Suffolk and Essex Chart Pack Wiro Bound: Lowestoft to River Crouch: 2022

    4 in stock

    Book SynopsisThis fully revised and extended edition of our popular 2000 Suffolk and Essex Coasts chart pack has been redesigned and expanded to 11 sheets, including improved coverage of Lowestoft and its approaches. The latest official UKHO data has been used and combined with additional information sourced from Imray''s network to make it ideal for small craft. The chart pack includes all the navigational charts and tidal data for passage, approach, and mooring, and is designed to be used alongside East Coast Pilot by Garth Cooper and Dick Holness. 2000.1 Foulness Point to Harwich (1:120 000) 2000.2 Rivers Ore and Alde (1:35 000) 2000.3 River Deben and Orford Haven (1:35 000) Plan: Woodbridge (1:15 000) 2000.4 Harwich Approaches and Walton Backwaters (1:35 000) Plan: Titchmarsh Marina (1:12 500) 2000.5 Rivers Stour and Orwell (1:35 000) Plans: Upper Orwell to Ipswich (1:20 000), Fox's Marina (1:10 000), Woolverstone Marina (1:10 000), Suffolk Yacht Harbour (1:15 000), Shotley Marina (1:10 000) 2000.6 River Blackwater (1:35 000) Plans: Maldon (1:20 000), Tollesbury Marina (1:12 500), Bradwell Marina (1:12 500) 2000.7 River Colne (1:35 000) Plans: Wivenhoe (1:20 000), Brightlingsea (1:15 000) 2000.8 River Crouch Entrance (1:35 000) 2000.9 Rivers Crouch & Roach (1:35 000) Plans: Burnham Yacht Harbour (1:12 500), River Crouch continuation to Battlesbridge (1:35 000) 2000.10 Harwich to Lowestoft (1:125 000) Plan: Southwold Harbour (1:12 500) 2000.11 Lowestoft Approaches (1:35 000) Plan: Lowestoft Harbour (1:10 000)

    4 in stock

    £62.59

  • 2300: Dorset and Devon Coasts Chart Pack Wiro

    Imray, Laurie, Norie & Wilson Ltd 2300: Dorset and Devon Coasts Chart Pack Wiro

    3 in stock

    Book SynopsisThis fully revised and extended edition of our popular 2300 Dorset and Devon Coasts chart pack has been redesigned and expanded to 13 sheets and includes improved coastal coverage throughout. The latest official UKHO data has been used and combined with additional information sourced from Imray's network to make it ideal for small craft. The chart pack includes all the navigational charts and tidal data for passage, approach, and mooring, and is designed to be used alongside The Shell Channel Pilot by Tom Cunliffe.Table of Contents2300.1 Isle of Wight to Start Point (1:375 000) 2300.2 Western Approaches to the Solent (1:60 000) 2300.3 Poole Harbour to St Alban's Head (1:60 000) 2300.4 St Alban's Head to Portland Bill (1:60 000) 2300.5 Dorset Plans Plans: Weymouth Harbour (1:7500), Lulworth Cove (1:4500), Worbarrow Bay (1:15 000), Swanage Bay (1:12 500), Portland Harbour (1:20 000), Chapman's Pool (1:14 500) 2300.6 Poole Harbour (East) (1:17 000) Plan: Salterns Marina (1:7500) 2300.7 Poole Harbour (West) (1:17 000) Plan: Poole Harbour continuation of Holes Bay (1:17 000) 2300.8 Portland Bill to Bridport (1:100 000) Plan: Bridport Harbour (1:5000) 2300.9 Lyme Bay - Bridport to Exmouth (1:100 000) Plan: Lyme Regis (1:10 000) 2300.10 River Exe (1:21 500) Plans: Exmouth Dock (1:7500), River Exe continuation to Exeter (1:21 500) 2300.11 Exmouth to Salcombe (1:100 000) 2300.12 Teignmouth & Tor Bay (1:50 000) Plan: Teignmouth Harbour (1:12 500), Torquay Harbour (1:7700), Paignton Harbour (1:7500), Brixham Harbour (1:10 000) 2300.13 River Dart (1:15 000) Plans: Kingswear (1:6250), River Dart continuation to Totnes (1:27 500)

    3 in stock

    £53.96

  • Imray Chart C4: Christchurch to Portland Bill:

    Imray, Laurie, Norie & Wilson Ltd Imray Chart C4: Christchurch to Portland Bill:

    1 in stock

    Book SynopsisThe latest official UKHO data is included, combined with additional information sourced from Imray's network to make it ideal for small craft. The chart has been fully revised throughout.Table of ContentsPlans included: Portland Harbour (1:20 000) Weymouth Harbour (1:7500) Lulworth Cove (1:4500) Worbarrow Bay (1:15 000) Chapman's Pool (1:14 500) Swanage (1:12 500) Studland Bay (1:12 500) Christchurch (1:20 000) Continuation of River Stour (1:7500)

    1 in stock

    £24.65

  • Imray, Laurie, Norie & Wilson Ltd Imray Chart C60: Gower Peninsula to Cardigan: 2023

    4 in stock

    Book SynopsisPlans included: Fishguard (1:30 000) Ramsey Sound (1:35 000) Solva Harbour & Approaches (1:40 000) Jack Sound (1:20 000) Milford Haven (1:40 000) Tenby & Caldey Island (1:45 000)

    4 in stock

    £24.65

  • Imray Chart Y40 Laminated: River Exe (Small

    Imray, Laurie, Norie & Wilson Ltd Imray Chart Y40 Laminated: River Exe (Small

    1 in stock

    Book SynopsisPlans included:Exmouth Dock (1:7500)River Exe continuation to Exeter (1:21 500

    1 in stock

    £20.66

  • Imray Chart Y42: Laminated Exmouth to Salcombe:

    Imray, Laurie, Norie & Wilson Ltd Imray Chart Y42: Laminated Exmouth to Salcombe:

    1 in stock

    Book SynopsisThis edition includes the latest official UKHO data, combined with additional information sourced from Imray''s network to make it ideal for small craft. The chart has been fully revised throughout.

    1 in stock

    £20.66

  • Imray Chart Y43: Laminated River Dart: 2023

    Imray, Laurie, Norie & Wilson Ltd Imray Chart Y43: Laminated River Dart: 2023

    1 in stock

    This edition includes the latest official UKHO data, combined with additional information sourced from Imray''s network to make it ideal for small craft. The chart has been fully revised throughout. Plan included: Kingswear (1:6250)

    1 in stock

    £20.66

  • Imray, Laurie, Norie & Wilson Ltd Imray 2700 North and West Wales Chart Pack: Liverpool to Milford Haven and the East Coast of Ireland: 2023

    7 in stock

    Book SynopsisThis fully revised edition of 2700 North and West Wales chart pack consists of 13 chart sheets. It includes the latest official UKHO data, combined with additional information sourced from Imray's network to make it ideal for small craft. The chart pack includes all the navigational charts required for passage, approach, and mooring, and is designed to be used with the Irish Sea Pilot by David Rainsbury and Cruising Anglesey and adjoining water by Ralph Morris, both published by Imray. This pack is also available wirobound, please see stock code IC2700-3W. 2700.1 Liverpool Bay to Anglesey 1: 280 000 WGS 84 Plan Holyhead (1:27 500) 2700.2 Liverpool Bay 1: 145 000 WGS 84 Plan Liverpool (1:40 000) 2700.3 Anglesey and Menai 1: 145 000 WGS 84 Plans Conwy Bay (1:60 000), Conwy (1:30 000) 2700.4 Menai Strait and The Swellies 1: 70 000 WGS 84 Plans Bangor and Beaumaris (1:35 000), The Swellies (1:15 000), Port Dinorwic (1:15 000), Caernarfon (1:15 000), Llanddwyn Island (1:25 000) 2700.5 Southern Anglesey and Lleyn Peninsula 1: 145 000 WGS 84 Plan Porth Dinllaen (1:17 500) 2700.6 Cardigan Bay 1: 145 000 WGS 84 2700.7 Tremadog Bay 1: 80 000 WGS 84 2700.8 Cardigan Bay Plans 1: various WGS 84 Plans Abersoch (1:25 000), Pwllheli (1:12 500), Porthmadog (1:10 000), Mochras Lagoon (1:15 000), Barmouth (1:25 000), Aberdovey (1:25 000), Aberystwyth (1:18 000), Aberaeron (1:17 500), New Quay (1:20 000), Aberporth (1:30 000), Cardigan (1:40 000), Newport Bay (1:35 000), Fishguard (1:18 000) 2700.9 Aberaeron to St David's 1: 155 000 WGS 84 2700.10 Dublin Bay to Anglesey 1: 280 000 WGS 84 Plan Dublin Bay (1:90 000) 2700.11 Cardigan Bay to South East of Ireland 1: 300 000 WGS 84 2700.12 St George's Channel 1: 280 000 WGS 84 Plan Kilmore Quay (1:25 000)

    7 in stock

    £49.46

  • Imray, Laurie, Norie & Wilson Ltd Imray 2700 North and West Wales Chart Pack Wirobound: Liverpool to Milford Haven and the East Coast of Ireland: 2023

    5 in stock

    Book SynopsisThis fully revised edition of 2700 North and West Wales chart pack consists of 13 chart sheets. It includes the latest official UKHO data, combined with additional information sourced from Imray's network to make it ideal for small craft. The chart pack includes all the navigational charts required for passage, approach, and mooring, and is designed to be used with the Irish Sea Pilot by David Rainsbury and Cruising Anglesey and adjoining water by Ralph Morris, both published by Imray. This pack is also available non wirobound, please see stock code IC2700-3. 2700.1 Liverpool Bay to Anglesey 1: 280 000 WGS 84 Plan Holyhead (1:27 500) 2700.2 Liverpool Bay 1: 145 000 WGS 84 Plan Liverpool (1:40 000) 2700.3 Anglesey and Menai 1: 145 000 WGS 84 Plans Conwy Bay (1:60 000), Conwy (1:30 000) 2700.4 Menai Strait and The Swellies 1: 70 000 WGS 84 Plans Bangor and Beaumaris (1:35 000), The Swellies (1:15 000), Port Dinorwic (1:15 000), Caernarfon (1:15 000), Llanddwyn Island (1:25 000) 2700.5 Southern Anglesey and Lleyn Peninsula 1: 145 000 WGS 84 Plan Porth Dinllaen (1:17 500) 2700.6 Cardigan Bay 1: 145 000 WGS 84 2700.7 Tremadog Bay 1: 80 000 WGS 84 2700.8 Cardigan Bay Plans 1: various WGS 84 Plans Abersoch (1:25 000), Pwllheli (1:12 500), Porthmadog (1:10 000), Mochras Lagoon (1:15 000), Barmouth (1:25 000), Aberdovey (1:25 000), Aberystwyth (1:18 000), Aberaeron (1:17 500), New Quay (1:20 000), Aberporth (1:30 000), Cardigan (1:40 000), Newport Bay (1:35 000), Fishguard (1:18 000) 2700.9 Aberaeron to St David's 1: 155 000 WGS 84 2700.10 Dublin Bay to Anglesey 1: 280 000 WGS 84 Plan Dublin Bay (1:90 000) 2700.11 Cardigan Bay to South East of Ireland 1: 300 000 WGS 84 2700.12 St George's Channel 1: 280 000 WGS 84 Plan Kilmore Quay (1:25 000)

    5 in stock

    £53.96

  • M12: Cabo de Gata to Denia and Ibiza: 2023

    Imray, Laurie, Norie & Wilson Ltd M12: Cabo de Gata to Denia and Ibiza: 2023

    5 in stock

    Book SynopsisPlans included: Mar Menor (1:75 000) Torrevieja (1:20 000) Alicante (1:30 000) Villajoyosa (1:15 000) Altea (1:15 000) Denia (1:25 000) Cartagena (1:15 000) This edition includes the latest official Instituto Hidrografico de la Marina data, combined with additional information sourced from Imray's network to make it ideal for small craft. The chart has been fully revised throughout. The main panel has been rescaled to 1:450,000 for consistency with other M-Series charts in Mediterranean Spain. The plan of Mar Menor now provides coverage at an improved larger scale. A new plan of Cartagena has been added.

    5 in stock

    £21.56

  • Imray Chart M15: Marseille to San Remo: 2023

    Imray, Laurie, Norie & Wilson Ltd Imray Chart M15: Marseille to San Remo: 2023

    5 in stock

    Book SynopsisPlans included: Marseille Vieux-Port & Iles du Frioul (1:35 000) Iles d'Hyeres (1:135 000) Golfe de St-Tropez (1:70 000) Golfe de La Napoule (1:60 000) Antibes (1:15 000) Nice, Rade de Villefranche & Cap Ferrat (1:30 000) Monaco (1:20 000)

    5 in stock

    £21.56

  • Building with Lime Stabilized Soil

    Practical Action Publishing Building with Lime Stabilized Soil

    1 in stock

    Book SynopsisHow best can we stimulate lasting recovery from floods, earthquakes, and other climate disasters, with limited resources and funds? How can we deliver housing and adequate shelter that will protect as many people as possible across the world from anticipated future floods or extreme weather?Widely available limestone is a key component to achieving these goals.When burned and combined with local clay-rich soil or pozzolans (locally available burnt brick dust or various types of ash) it can create low-cost, flood-resilient building components: foundations, wall blocks, renders, plasters, and floor and roof screeds that remain stable in wet conditions and under water.Many communities are familiar with basic construction, and so, once equipped with the skills to work with these low-cost, locally available materials, they can lead their own recovery. Advice includes the selection, preparation and application of binders, aggregates and pozzolans and their mix ratios supported by detailed illustrations of practical field tests for a range of building elements.As well as setting out methods for using soil and other local materials in the construction of new housing in rural communities affected by climate disaster, Building with Lime-Stabilized Soil also describes their use in repairs to historic buildings. Many old buildings, some standing for over 700 years, are testament to the durability of these materials. Stafford Holmes and Bee Rowan show with numerous detailed examples and instruction that the use of lime-stabilized soil is the most ecological, cost-saving, appropriate technology for a wide range of buildings across the world.

    1 in stock

    £24.95

  • Verso Books Silicon Values: The Future of Free Speech Under

    Out of stock

    Book SynopsisWhat is the impact of surveillance capitalism on our right to free speech? The Internet once promised to be a place of extraordinary freedom beyond the control of money or politics, but today corporations and platforms exercise more control over our ability to access information and share knowledge to a greater extent than any state. From the online calls to arms in the thick of the Arab Spring to the contemporary front line of misinformation, Jillian York charts the war over our digital rights. She looks at both how the big corporations have become unaccountable censors, and the devastating impact it has had on those who have been censored. In Silicon Values, leading campaigner Jillian York, looks at how our rights have become increasingly undermined by the major corporations desire to harvest our personal data and turn it into profit. She also looks at how governments have used the same technology to monitor citizens and threatened our ability to communicate. As a result our daily lives, and private thoughts, are being policed in an unprecedented manner. Who decides the difference between political debate and hate speech? How does this impact on our identity, our ability to create communities and to protest? Who regulates the censors? In response to this threat to our democracy, York proposes a user-powered movement against the platforms that demands change and a new form of ownership over our own data.Trade Reviewone of the leading scholars on Internet control and censorship. * Boston Globe *The Internet has never been the utopia of free and equal expression its ideologues would have us believe it is. Jillian York's vivid reportage shows us that the power to determine who gets to use it to speak, and under what circumstances, is now more concentrated - and less accountable - than ever before. -- Adam Greenfield, author of Radical TechnologiesFor years, Jillian York has been at the forefront of defending freedom of expression online. Her new book unpacks how Silicon Valley corporations have gained more control over speech than the most ambitious of governments and how ill-prepared they often are to use that power in ways that are just and fair. Entertaining, deeply informative and often very personal, Jillian's journey into the world of online speech reflects on deep questions about how we should treat one another and who makes rules for societies in our digital world. -- Ethan Zuckerman, Associate Professor, UMass Amherst and co-founder Global VoicesJillian C. York gives us a personal, relevant, and accessible reflection on how our world has become governed by Silicon Valley. She takes us on an enjoyable journey from San Francisco to Tunis to Cairo to Berlin to trace the change from the early belief in maximizing free speech shared by the big tech platforms and we, the people, alike to the increasing policies of surveillance and control exercised by the platforms (and encouraged by most governments) that makes the struggle for free expression a much more demanding battle. Her conclusions offer hope and guidance as to what we need to do, not just for the sake of free speech but for the freedom to shape our very identity and agency." -- Rasha Abdulla, Professor of Mass Communication at The American University in Cairo, and author of The Internet in the Arab World: Egypt and Beyond.An incisive and compelling read that places Silicon Valley'splatforms and policies in a global context. York knows this terrain intimately,and she takes us to the key battlegrounds that have shaped content moderation,internet governance, and the political economies of online expression. -- Kate Crawford, author of Atlas of AI[Silicon Values] casts a wide-enough net over relevant topics and examples to be richly informative, while still managing to be straightforward in its style. York offers a solid entry point for those who have been following ongoing issues relating to the intersection of politics and technology." -- Jesse A. Lambertson * Library Journal *Silicon Values traces the haphazard and chaotic creation of the speech principles that now govern the platforms billions of us use to communicate every day ... York's book drags us back to the early, heady days of social media's inception. -- Laurie Clarke * New Statesman *Personal, hands-on expertise makes for some gripping tales, penetrating insight and persuasive advocacy . an important study of free speech under these pervasive social media platforms . full of energy and needed insight -- Karlin Lillington * Irish Times *Simple, but not simplistic. In this book, the result of more than ten years of work in the field, York travels the world to pick out the most significant cases that show how the decisions made in the tiny Silicon Valley area of California play out on the ground -- Wendy M Grossman * ZDNet *Silicon Values is a trenchant critique of how platform censorship is enabled by surveillance capitalism ... In an area that doesn't lend itself to simple solutions, York's insights lay an important foundation for ongoing intelligent discussion of the topic. -- Prostasia FoundationTimely and trenchant . . .York, who for many years has been international activism director at the Electronic Freedom Foundation, certainly knows her stuff. Her proposals for change, however, are clear and democratic, arguing for independent content moderation, social inclusion, and a user-powered movement against the handful of American men who currently run the show from Silicon Valley. * New International *Timely and trenchant ... [York's] proposals for change ... are clear and democratic -- Vanessa Baird * New Internationalist *

    Out of stock

    £15.29

  • Bloomsbury Publishing PLC Mosquito Men: The Elite Pathfinders of 627

    Out of stock

    Book SynopsisIn November 1940, a remarkable prototype aircraft made its maiden flight from an airstrip north of London. Novel in construction and exceptionally fast, the new plane was soon outpacing the Spitfire, and went on to contribute to the RAF's offensive against Nazi Germany as bomber, pathfinder and night fighter. The men who flew it nicknamed this most flexible of aircraft 'the wooden wonder' for its composite wooden frame and superb performance. Its more familiar name was the de Havilland Mosquito, and it used lightning speed and agility to inflict mayhem on the German war machine. From the summer of 1943, as Bomber Command intensified its saturation bombing of German cities, Mosquitos were used by the Pathfinder Force, which marked targets for night-time bombing, to devastating effect. Mosquito Men traces the contrasting careers of the young men of 627 Squadron, including that of Ken Oatley – last living member of an illustrious group – who flew twenty-two operations in Mosquitos as a navigator. David Price's atmospheric narrative interweaves the human stories of the crews of 627 Squadron with events in the wider war as the Allies closed in on Germany from the summer of 1944. Mosquito Men is rich in evocative and technically authoritative accounts of individual missions flown by an aircraft that ranks alongside the Spitfire, the Hurricane and the Lancaster as one of the RAF's greatest ever flying machines – and perhaps the most versatile warplane ever built.Trade ReviewThe Mosquito had a fearsome reputation and remains an iconic aircraft. David Price's outstanding book reminds us why and provides superb detail about the human factor in its success – the crew – whose skill, courage and teamwork ensured that a first-class aircraft became a great one -- Lloyd Clark, author of Blitzkreig: Myth, Reality and Hitler's Lightning WarRichly detailed and superbly evocative in the telling – this is a compelling account of the wartime RAF's most glamorous plane and some of the brave men who flew it. Gripping individual episodes are set in context brilliantly, to produce a history that's both satisfyingly rounded and appropriately intimate, too -- Duncan Campbell-Smith, author of Jet ManHis book is a tribute as much as a history, written with real passion and enthusiasm for these mechanical marvels * Mail on Sunday *The Mosquito had a fearsome reputation and remains an iconic aircraft. David Price's outstanding book reminds us why and provides superb detail about the human factor in its success – the crew – whose skill, courage and teamwork ensured that a first-class aircraft became a great one -- Lloyd Clark, author of Blitzkreig: Myth, Reality and Hitler's Lightning WarRichly detailed and superbly evocative in the telling – this is a compelling account of the wartime RAF's most glamorous plane and some of the brave men who flew it. Gripping individual episodes are set in context brilliantly, to produce a history that's both satisfyingly rounded and appropriately intimate, too -- Duncan Campbell-Smith, author of Jet ManHis book is a tribute as much as a history, written with real passion and enthusiasm for these mechanical marvels * Mail on Sunday *Approachable and engrossing...If the Squadron's history has not been well-served in print up to now, this volume sets things to rights. * Aeroplane *PRAISE FOR THE CREW: 'Price has given the bomber offensive a human face... A sensitive account' The Times. 'His eyewitness account is frank about the dangers of the role' The i. 'A fascinating and fast-paced account of the exploits of an Avro Lancaster bomber crew... A poignant epilogue [in a] riveting book' Herald. 'A sobering and poignant book' Daily Mail. 'A remarkable insight into the bravery, determination and skill of British Bomber Command crews during WWII' * Waterstones *

    Out of stock

    £999.99

  • 1 in stock

    £23.08

  • Requirements for Electrical Installations, IET

    Institution of Engineering and Technology Requirements for Electrical Installations, IET

    Book SynopsisThe IET Wiring Regulations is the national standard to which all domestic and industrial wiring must conform. It is essential to all those concerned with the design, installation and maintenance of electric wiring in buildings. The 18th Edition is a major update to this title and contains extensive changes to many areas of BS 7671. The 18th Edition has been further updated to include two subsequent amendments as BS 7671:2018+A2:2022. BS 7671:2018+A2:2022 incorporates changes from the first amendment, published in 2020, regarding Electric Vehicle Charging Installations to provide greater guidance on embracing changing technology within this sector. Additional changes within the second amendment include protection against thermal effects and fire caused by electrical equipment, protection against voltage disturbances and electromagnetic disturbances, and a new chapter on prosumer's low-voltage electrical installations covering energy efficiency measures, the interface with the smart grid, the management of electricity consumption, the management of renewable sources of electricity, and energy storage.Table of Contents Introduction to BS 7671:2018 Introduction to Amendment 1:2020 Introduction to Amendment 2:2022 Part 1: Scope, object and fundamental principles Chapter 11: Scope Chapter 12: Object and effects Chapter 13: Fundamental principles Part 2: Definitions Part 3: Assessment of general characteristics Chapter 30: Assessment of general characteristics Chapter 31: Purposes, supplies and structure Chapter 32: Classification of external influences Chapter 33: Compatibility Chapter 34: Maintainability Chapter 35: Safety services Chapter 36: Continuity of service Part 4: Protection for safety Chapter 41: Protection against electric shock Chapter 42: Protection against thermal effects Chapter 43: Protection against overcurrent Chapter 44: Protection against voltage disturbances and electromagnetic disturbances Chapter 46: Isolation and switching Part 5: Selection and erection of equipment Chapter 51: Common rules Chapter 52: Selection and erection of wiring systems Chapter 53: Protection, isolation, switching, control and monitoring Chapter 54: Earthing arrangements and protective conductors Chapter 55: Other equipment Chapter 56: Safety services Part 6: Inspection and testing Chapter 61: Not used Chapter 62: Not used Chapter 63: Not used Chapter 64: Initial verification Chapter 65: Periodic inspection and testing Part 7: Special installations or locations Section 700 General Section 701: Locations containing a bath or shower Section 702: Swimming pools and other basins Section 703: Rooms and cabins containing sauna heaters Section 704: Construction and demolition site installations Section 705: Agricultural and horticultural premises Section 706: Conducting locations with restricted movement Section 708: Electrical installations in caravan / camping parks and similar locations Section 709: Marinas and similar locations Section 710: Medical locations Section 711: Exhibitions, shows and stands Section 712: Solar photovoltaic (pv) power supply systems Section 714: Outdoor lighting installations Section 715: Extra-low voltage lighting installations Section 717: Mobile or transportable units Section 721: Electrical installations in caravans and motor caravans Section 722: Electric vehicle charging installations Section 729: Operating and maintenance gangways Section 730: Onshore units of electrical shore connections for inland navigation vessels Section 740: Temporary electrical installations for structures, amusement devices and booths at fairgrounds, amusement parks and circuses Section 753: Heating cables and embedded heating systems Appendices 1: British standards to which reference is made in BS 7671 2: Statutory regulations and associated memoranda 3: Time/current characteristics of overcurrent protective devices 4: Current-carrying capacity and voltage drop for cables 5: Classification of external influences 6: Model forms for certification and reporting 7: Deleted by BS 7671:2018+A2:2022 8: Current-carrying capacity and voltage drop for busbar trunking and powertrack systems 9: Definitions - multiple source, DC and other systems 10: Protection of conductors in parallel against overcurrent 11: Warning and user instruction labels 12: Not used 13: Escape routes and fire protection 14: Determination of prospective fault current 15: Ring and radial final circuit arrangements, Regulation 433.1 16: Devices for protection against overvoltage 17: Energy efficiency Table of figures Table of tables Index

    £102.60

  • On-Site Guide (BS 7671:2018+A2:2022)

    Institution of Engineering and Technology On-Site Guide (BS 7671:2018+A2:2022)

    15 in stock

    Book SynopsisThe On-Site Guide is an essential guide to BS 7671. It incorporates the extensive changes in BS 7671:2018, making this a vital guide for keeping up to date. It enables the competent electrician to deal with installations (up to 100 A, 3-phase) providing essential information in a convenient, easy-to-use format. This publication has been further updated to include two subsequent amendments to the IET Wiring Regulations as BS 7671:2018+A2:2022. BS 7671:2018+A2:2022 incorporates changes from the first amendment, published in 2020, regarding Electric Vehicle Charging Installations to provide greater guidance on embracing changing technology within this sector. Additional changes within the second amendment include protection against thermal effects and fire caused by electrical equipment, protection against voltage disturbances and electromagnetic disturbances, and a new chapter on prosumer's low-voltage electrical installations covering energy efficiency measures, the interface with the smart grid, the management of electricity consumption, the management of renewable sources of electricity, and energy storage.Table of Contents Cooperating organizations Acknowledgements Preface Section 1: Introduction Section 2: The electrical supply Section 3: Protection Section 4: Earthing and bonding Section 5: Isolation and switching Section 6: Labelling Section 7: Final circuits Section 8: Locations containing a bath or shower Section 9: Inspection and testing Section 10: Guidance on initial testing of installations Section 11: Operation of RCDs Section 12: Prosumer's electrical installations Appendix A: Maximum demand and diversity Appendix B: Maximum permissible measured earth fault loop impedance Appendix C: Selection of types of cable for particular uses and external influences Appendix D: Methods of support for cables, conductors and wiring systems Appendix E: Cable capacities of conduit and trunking Appendix F: Current-carrying capacities and voltage drop for copper conductors Appendix G: Certification and reporting Appendix H: Standard circuit arrangements for household and similar installations Appendix I: Resistance of copper and aluminium conductors Appendix J: Selection of devices for isolation and switching Appendix K: Identification of conductors Appendix L: Degrees of protection provided by enclosures (IP code) Index

    15 in stock

    £35.00

  • Guidance Note 1: Selection & Erection

    Institution of Engineering and Technology Guidance Note 1: Selection & Erection

    20 in stock

    Book SynopsisGuidance Note 1: Selection & Erection is a fundamental guide for specifiers, installers and those inspecting and testing installations. It contains clear guidance on how to apply the relevant sections of BS 7671 and has been fully updated to BS 7671:2018+A2:2022. BS 7671:2018+A2:2022 incorporates changes from the first amendment, published in 2020, regarding Electric Vehicle Charging Installations to provide greater guidance on embracing changing technology within this sector. Additional changes within the second amendment include protection against thermal effects and fire caused by electrical equipment, protection against voltage disturbances and electromagnetic disturbances, and a new chapter on prosumer's low-voltage electrical installations covering energy efficiency measures, the interface with the smart grid, the management of electricity consumption, the management of renewable sources of electricity, and energy storage.Table of Contents Cooperating organizations Acknowledgements Preface Introduction Chapter 1: General requirements Chapter 2: Selection and erection of equipment Chapter 3: Protection against overcurrent, electric shock and overvoltage Chapter 4: External influences Chapter 5: Installation of cables Chapter 6: Sizing of cable Chapter 7: Other influences Chapter 8: Installation of equipment Appendix A: Cable capacities of conduit and trunking Appendix B: Degrees of protection provided by enclosures Appendix C: Standard circuit arrangements and the provision of socket-outlets Appendix D: Limitation of earth fault loop impedance for compliance with Regulation 543.1.1 Appendix E: Resistance and impedance of copper and aluminium conductors under fault conditions Appendix F: Selection and erection of wiring systems Appendix G: Notes on methods of support for cables, conductors and wiring systems Appendix H: Maximum demand and diversity Appendix I: Permitted protective conductor currents Appendix J: Standard symbols, units and graphical symbols for general electrical purposes Appendix K: Addresses of associated bodies and industry contacts Index

    20 in stock

    £43.50

  • Guidance Note 2: Isolation & Switching

    Institution of Engineering and Technology Guidance Note 2: Isolation & Switching

    7 in stock

    Book SynopsisGuidance Note 2: Isolation & Switching provides clear guidance on what can be a confusing aspect of BS 7671. It is ideal for those working in specification, testing and inspection and for consulting engineers, as well as electrical installers and has been fully updated to BS 7671:2018:2022. BS 7671:2018+A2:2022 incorporates changes from the first amendment, published in 2020, regarding Electric Vehicle Charging Installations to provide greater guidance on embracing changing technology within this sector. Additional changes within the second amendment include protection against thermal effects and fire caused by electrical equipment, protection against voltage disturbances and electromagnetic disturbances, and a new chapter on prosumer's low-voltage electrical installations covering energy efficiency measures, the interface with the smart grid, the management of electricity consumption, the management of renewable sources of electricity, and energy storage.Table of Contents Cooperating organizations Acknowledgements Preface Introduction Chapter 1: Statutory requirements Chapter 2: Overview of the Wiring Regulations Chapter 3: Definitions and principles Chapter 4: Isolation Chapter 5: Switching off for mechanical maintenance Chapter 6: Emergency switching and emergency stopping Chapter 7: Functional switching Chapter 8: Firefighters' switches Chapter 9: Special installations or locations Chapter 10: Prosumer's low-voltage electrical installations Appendix A: Safety service and product standards of relevance to this Guidance Note Appendix B: Safe isolation procedures Appendix C: Permit-to-Work procedures Appendix D: Safety locks and group lock boxes Appendix E: Forms of separation for LV switchgear Index

    7 in stock

    £37.00

  • Guidance Note 3: Inspection & Testing

    Institution of Engineering and Technology Guidance Note 3: Inspection & Testing

    1 in stock

    Book SynopsisGuidance Note 3: Inspection & Testing is a fundamental guidance book for all those involved with the testing and inspection of electrical installations. It also contains essential guidance for those studying for inspection and testing qualifications and has been fully updated to BS 7671:2018:2022. BS 7671:2018+A2:2022 incorporates changes from the first amendment, published in 2020, regarding Electric Vehicle Charging Installations to provide greater guidance on embracing changing technology within this sector. Additional changes within the second amendment include protection against thermal effects and fire caused by electrical equipment, protection against voltage disturbances and electromagnetic disturbances, and a new chapter on prosumer's low-voltage electrical installations covering energy efficiency measures, the interface with the smart grid, the management of electricity consumption, the management of renewable sources of electricity, and energy storage.Table of Contents Cooperating organizations Acknowledgements Preface Introduction Chapter 1: General requirements Chapter 2: Initial verification Chapter 3: Periodic inspection and testing Chapter 4: Test instruments and equipment Chapter 5: Forms Appendix A: Maximum permissible measured earth fault loop impedance (EFLI) Appendix B: Resistance of copper and aluminium conductors Appendix C: Use of an earth leakage current clamp meter to provide an indication of the state of insulation Appendix D: Safety check for diverted neutral currents Index

    1 in stock

    £40.00

  • Guidance Note 4: Protection Against Fire

    Institution of Engineering and Technology Guidance Note 4: Protection Against Fire

    1 in stock

    Book SynopsisGuidance Note 4: Protection Against Fire is a vital guide to an important safety aspect of working with electricity. It is aimed at everyone involved with fire safety in electrical installations, including consulting engineers, electrical installers, inspectors and technicians and has been fully updated to BS 7671:2018:2022. BS 7671:2018+A2:2022 incorporates changes from the first amendment, published in 2020, regarding Electric Vehicle Charging Installations to provide greater guidance on embracing changing technology within this sector. Additional changes within the second amendment include protection against thermal effects and fire caused by electrical equipment, protection against voltage disturbances and electromagnetic disturbances, and a new chapter on prosumer's low-voltage electrical installations covering energy efficiency measures, the interface with the smart grid, the management of electricity consumption, the management of renewable sources of electricity, and energy storage.Table of Contents Cooperating organizations Acknowledgements Preface Introduction Chapter 1: Statutory requirements Chapter 2: Overview of the Wiring Regulations Chapter 3: Generally applicable requirements Chapter 4: Precautions where particular risks of fire exist Chapter 5: Protection against burns Chapter 6: Measures to minimise the spread of fire Chapter 7: Safety services Chapter 8: Special installations and locations Appendix A: Safety service and product standards of relevance to this Guidance Note Appendix B: Technical guidance documents Appendix C: Approved Document B Volume 1: Dwellings Appendix D: Approved Document B Volume 2: Buildings other than dwellings Appendix E: Protection of openings and fire-stopping Index

    1 in stock

    £37.00

  • Guidance Note 5: Protection Against Electric

    Institution of Engineering and Technology Guidance Note 5: Protection Against Electric

    3 in stock

    Book SynopsisGuidance Note 5: Protection Against Electric Shock provides a core element of safety for specifiers, designers, contractors and inspectors. It includes clear guidance on how to apply the safety requirements of BS 7671 concerning electric shock and has been fully updated to BS 7671:2018+A2:2022. BS 7671:2018+A2:2022 incorporates changes from the first amendment, published in 2020, regarding Electric Vehicle Charging Installations to provide greater guidance on embracing changing technology within this sector. Additional changes within the second amendment include protection against thermal effects and fire caused by electrical equipment, protection against voltage disturbances and electromagnetic disturbances, and a new chapter on prosumer's low-voltage electrical installations covering energy efficiency measures, the interface with the smart grid, the management of electricity consumption, the management of renewable sources of electricity, and energy storage.Table of Contents Cooperating organizations Acknowledgements Preface Introduction Chapter 1: Statutory Regulations and The Wiring Regulations Chapter 2: Electric shock and protective measures Chapter 3: Provisions for basic protection Chapter 4: Automatic disconnection of supply Chapter 5: Double or reinforced insulation Chapter 6: Electrical separation Chapter 7: Extra-low voltage provided by SELV or PELV Chapter 8: Additional protection Chapter 9: Obstacles and placing out of reach Chapter 10: Protective measures for application only where the installation is controlled or under the supervision of skilled or instructed persons Chapter 11: Earthing Chapter 12: Circuit protective conductors (cpcs) Chapter 13: Protective equipotential bonding Chapter 14: Protective multiple earthing Chapter 15: Special installations or locations Chapter 16: Cables installed in walls, floors, ceilings and partitions Appendix A: Maximum permissible measured earth fault loop impedance Appendix B: Resistance of copper and aluminium conductors Index

    3 in stock

    £37.00

  • Guidance Note 6: Protection Against Overcurrent

    Institution of Engineering and Technology Guidance Note 6: Protection Against Overcurrent

    3 in stock

    Book SynopsisGuidance Note 6: Protection Against Overcurrent is a key guide to this important area of BS 7671. It is intended for all involved with specifying, designing, installing or verifying electrical installations and has been fully updated to BS 7671:2018:2022. BS 7671:2018+A2:2022 incorporates changes from the first amendment, published in 2020, regarding Electric Vehicle Charging Installations to provide greater guidance on embracing changing technology within this sector. Additional changes within the second amendment include protection against thermal effects and fire caused by electrical equipment, protection against voltage disturbances and electromagnetic disturbances, and a new chapter on prosumer's low-voltage electrical installations covering energy efficiency measures, the interface with the smart grid, the management of electricity consumption, the management of renewable sources of electricity, and energy storage.Table of Contents Cooperating organizations Acknowledgements Preface Introduction Chapter 1: The regulations concerning protection against overcurrent Chapter 2: Protection against overload Chapter 3: Protection against fault current Chapter 4: Determination of fault current Chapter 5: Equations for the calculation of short-circuit current Chapter 6: Equations for the calculation of earth fault current Chapter 7: Selection of conductor size Chapter 8: Prosumer's electrical installations (PEIs) Appendix A: Calculation of reactance Appendix B: Calculation of k for other temperatures Index

    3 in stock

    £37.00

  • Guidance Note 7: Special Locations

    Institution of Engineering and Technology Guidance Note 7: Special Locations

    3 in stock

    Book SynopsisGuidance Note 7: Special Locations provides a comprehensive guide to the various special locations and installations for which additional measures are required to comply with BS 7671. It is designed for anyone working in special locations where guidance may vary, including consulting engineers, electricians, electrical installers, inspectors and technicians and has been fully updated to BS 7671:2018+A2:2022. BS 7671:2018+A2:2022 incorporates changes from the first amendment, published in 2020, regarding Electric Vehicle Charging Installations to provide greater guidance on embracing changing technology within this sector. Additional changes within the second amendment include protection against thermal effects and fire caused by electrical equipment, protection against voltage disturbances and electromagnetic disturbances, and a new chapter on prosumer's low-voltage electrical installations covering energy efficiency measures, the interface with the smart grid, the management of electricity consumption, the management of renewable sources of electricity, and energy storage.Table of Contents Cooperating organizations Acknowledgements Preface Introduction Chapter 1: Locations containing a bath or shower Chapter 2: Swimming pools and other basins Chapter 3: Rooms and cabins containing sauna heaters Chapter 4: Construction and demolition site installations Chapter 5: Agricultural and horticultural premises Chapter 6: Conducting locations with restricted movement Chapter 7: Electrical installations in caravan/camping parks, caravans and motor caravans Chapter 8: Marinas and similar locations Chapter 9: Medical locations Chapter 10: Solar photovoltaic (PV) power supply systems Chapter 11: Exhibitions, shows and stands Chapter 12: Heating cables and embedded heating systems Chapter 13: Gardens (other than horticultural installations) Chapter 14: Mobile or transportable units Chapter 15: Small-scale embedded generators (SSEGs) Chapter 16: Temporary electrical installations for structures, amusement devices and booths at fairgrounds, amusement parks and circuses Chapter 17: Operating and maintenance gangways Chapter 18: Outdoor lighting installations Chapter 19: Extra-low voltage lighting installations Chapter 20: Electric vehicle charging installations Chapter 21: Onshore units of electrical shore connections for inland navigation vessels Index

    3 in stock

    £37.00

  • Guidance Note 8: Earthing & Bonding

    Institution of Engineering and Technology Guidance Note 8: Earthing & Bonding

    15 in stock

    Book SynopsisGuidance Note 8: Earthing & Bonding includes information from BS 7430 Code of Practice for Earthing. It covers key guidance for all involved with specifying, designing, installing or verifying electrical installations and has been fully updated to BS 7671:2018+A2:2022. BS 7671:2018+A2:2022 incorporates changes from the first amendment, published in 2020, regarding Electric Vehicle Charging Installations to provide greater guidance on embracing changing technology within this sector. Additional changes within the second amendment include protection against thermal effects and fire caused by electrical equipment, protection against voltage disturbances and electromagnetic disturbances, and a new chapter on prosumer's low-voltage electrical installations covering energy efficiency measures, the interface with the smart grid, the management of electricity consumption, the management of renewable sources of electricity, and energy storage.Table of Contents Cooperating organizations Acknowledgements Preface Introduction Chapter 1: Protective earthing Chapter 2: The means of earthing Chapter 3: The earthing conductor Chapter 4: System types and earthing arrangements Chapter 5: Protective equipotential bonding Chapter 6: Extraneous-conductive-parts and their connections Chapter 7: Automatic disconnection Chapter 8: Supplementary protective equipotential bonding Chapter 9: Circuit protective conductors Chapter 10: Particular issues of earthing and bonding Appendix A: Values of k for various forms of protective conductor Appendix B: Data for armoured cables Index

    15 in stock

    £37.00

  • Electrician's Guide to the Building Regulations

    Institution of Engineering and Technology Electrician's Guide to the Building Regulations

    3 in stock

    Book SynopsisElectrician's Guide to the Building Regulations includes the latest guidance on third-party certification schemes and covers relevant parts of the Building Regulations, including Fire Safety, Ventilation and Conservation of Energy. This guide has been fully updated to BS 7671:2018+A2:2022. BS 7671:2018+A2:2022 incorporates changes from the first amendment, published in 2020, regarding Electric Vehicle Charging Installations to provide greater guidance on embracing changing technology within this sector. Additional changes within the second amendment include protection against thermal effects and fire caused by electrical equipment, protection against voltage disturbances and electromagnetic disturbances, and a new chapter on prosumer's low-voltage electrical installations covering energy efficiency measures, the interface with the smart grid, the management of electricity consumption, the management of renewable sources of electricity, and energy storage.Table of Contents Cooperating organizations Acknowledgements Preface Chapter 1: Legislation Chapter 2: Design, selection and erection of electrical installations Chapter 3: Mains position Chapter 4: Circuit specifications Chapter 5: Kitchens, special installations, special locations, etc. Chapter 6: Inspection and testing Chapter 7: Safe working Chapter 8: Maintenance Chapter 9: Three-phase supplies Chapter 10: Other Building Regulations Chapter 11: Identification of conductors Chapter 12: Scottish Building Regulations Chapter 13: Welsh Building Regulations Appendix A: Electrical Safety Standards in the Private Rented Sector (England) Regulations 2020 Appendix B: Approved Document B: Fire safety, Volume 1 - Dwellings Appendix C: Safety instructions Appendix D: Additional guidance Index

    3 in stock

    £31.00

  • Electrical Installation Design Guide:

    Institution of Engineering and Technology Electrical Installation Design Guide:

    1 in stock

    Book SynopsisElectrical Installation Design Guide: Calculations for Electricians and Designers provides step-by-step guidance on the design of electrical installations. The guide will be useful for apprentices and trainees carrying out the calculations necessary for a basic installation and has been fully updated to BS 7671:2018+A2:2022. BS 7671:2018+A2:2022 incorporates changes from the first amendment, published in 2020, regarding Electric Vehicle Charging Installations to provide greater guidance on embracing changing technology within this sector. Additional changes within the second amendment include protection against thermal effects and fire caused by electrical equipment, protection against voltage disturbances and electromagnetic disturbances, and a new section on prosumer's low-voltage electrical installations covering energy efficiency measures, the interface with the smart grid, the management of electricity consumption, the management of renewable sources of electricity, and energy storage.Table of Contents Section 1: Design sequence Section 2: Simple installations and final circuits Section 3: Maximum demand and diversity Section 4: Selection of cables for current-carrying capacity Section 5: Voltage drop Section 6: Calculation of fault current Section 7: Shock protection Section 8: Protection against fault current Section 9: Calculations associated with testing Section 10: Impedance of copper and aluminium conductors Section 11: Harmonics Section 12: Protection against voltage disturbances Section 13: Busbar trunking Section 14: Prosumer's electrical installations (PEIs) Appendix A: Symbols Appendix B: Standard final circuits Appendix C: Avoidance of unintentional operation of circuit-breakers Appendix D: Further cable calculations Appendix E: Symbols from PD CLC/TR 50480:2011 Appendix F: Equipment data Index

    1 in stock

    £45.50

  • Student's Guide to the IET Wiring Regulations

    Institution of Engineering and Technology Student's Guide to the IET Wiring Regulations

    2 in stock

    Book SynopsisThe Student's Guide to the IET Wiring Regulations is designed for students studying for a career in the electrotechnical industry. The content will enhance the reader's understanding of the IET Wiring Regulations and how to interpret them, as well as integrating with current qualifications being delivered. The simple format, using diagrams and examples, provides students with guidance to navigate their way through the information available in BS 7671 while studying electrical courses. The book provides information on various acts and regulations that students will need to know throughout their studies and into their careers, including easy to understand guidance designed to develop practical abilities and understanding of simple circuits. This publication has been further updated to include two subsequent amendments to the IET Wiring Regulations as BS 7671:2018+A2:2022. BS 7671:2018+A2:2022 incorporates changes from the first amendment, published in 2020, regarding Electric Vehicle Charging Installations to provide greater guidance on embracing changing technology within this sector. Additional changes within the second amendment include protection against thermal effects and fire caused by electrical equipment, protection against voltage disturbances and electromagnetic disturbances, and a new chapter on prosumer's low-voltage electrical installations covering energy efficiency measures, the interface with the smart grid, the management of electricity consumption, the management of renewable sources of electricity, and energy storage.Table of Contents List of Figures List of Tables Acknowledgements Welcome Section 1: The IET Wiring Regulations Section 2: Health and Safety Section 3: Generation and Transmission Section 4: Supply Section 5: Protection and Isolation Section 6: Earthing and Bonding Section 7: Cable Calculations Section 8: Final Circuits Section 9: Testing and Inspection Section 10: Fault Finding Section 11: Common Calculations Section 12: Diversity Section 13: Prosumer's Electrical Installations Appendix A: Special installations or locations Appendix B: Tables of symbols Appendix C: Degrees of protection provided by enclosures (IP code) Answers Index

    2 in stock

    £23.00

  • The Complete LGV & PCV Driver CPC Case Study

    Focus Multimedia Ltd The Complete LGV & PCV Driver CPC Case Study

    20 in stock

    Book Synopsis

    20 in stock

    £39.37

  • Humphry Davy: Life Beyond the Lamp: Poet and

    The History Press Ltd Humphry Davy: Life Beyond the Lamp: Poet and

    1 in stock

    Book SynopsisBorn in Penzance in 1778, Humphry Davy's scientific reputation grew with his pioneering discoveries of nitrous oxide (laughing gas), sodium, calcium and the invention of the miners' Davy lamp.

    1 in stock

    £14.24

  • Imray Iolaire Chart A281: Guadeloupe - Iles Des Saintes: 2007

    Imray, Laurie, Norie & Wilson Ltd Imray Iolaire Chart A281: Guadeloupe - Iles Des Saintes: 2007

    3 in stock

    Book SynopsisIncludes the following panels: Les Saintes (1:20,000) Marie-Galante (1:75,000) Plus plans of these harbours and anchorages: Sainte-Anne & Anse Accul (Guadeloupe) (1:10,000) Sainte-Marie (Guadeloupe) (1:20,000) Petit Havre (Guadeloupe) (1:20,000) Le Moule (Guadeloupe) (1:10,000) Northern Approach to Pointe-a-Pitre (Guadeloupe) (1:75,000) Grande Anse (La Desirade) (1:10,000) Grand-Bourg (Marie-Galante) (1:10,000)

    3 in stock

    £21.56

  • Imray Iolaire Chart A301: East Coast of Martinique

    Imray, Laurie, Norie & Wilson Ltd Imray Iolaire Chart A301: East Coast of Martinique

    1 in stock

    Book SynopsisA nautical chart covering the North coast of the West Indian Island of Martinique.

    1 in stock

    £21.56

  • Imray, Laurie, Norie & Wilson Ltd Imray Iolaire Chart D131: Puerto Mochima to Carenero: 2007

    10 in stock

    Book SynopsisFeatures nautical chart scale 1:63,900.

    10 in stock

    £21.56

  • Imray Iolaire Chart A14: San Juan to Islas De Vieques and Isla De Culebra: 2007

    Imray, Laurie, Norie & Wilson Ltd Imray Iolaire Chart A14: San Juan to Islas De Vieques and Isla De Culebra: 2007

    1 in stock

    Book SynopsisFeatures nautical chart scale 1:116,700.

    1 in stock

    £21.56

  • Imray, Laurie, Norie & Wilson Ltd Imray Iolaire Chart D12: Carupano to Cumana and Isla De Margarita

    2 in stock

    Book SynopsisFeatures nautical chart scale 1:173,000.

    2 in stock

    £21.56

  • Imray, Laurie, Norie & Wilson Ltd Imray Iolaire Chart D21: Carupano to Cumana and Isla De Margarita: 2007

    7 in stock

    Book SynopsisVenezuela Plans include: Puerto la Cruz Puerto Cabello Puerto Chichiriviche & Parque National Morrocoy Bahia San Juan Ensa de Corsarios Higuerote Puerto Carenero Puerto Calera Puerto la Guaira Puerto Azul Carabelleda YC & Marina Mar.

    7 in stock

    £21.56

  • Imray, Laurie, Norie & Wilson Ltd Imray Iolaire Chart D2: Cabo Codera to Cabo San Roman: 2007

    1 in stock

    Book SynopsisFeatures a nautical Chart, scaled on 1:583700.

    1 in stock

    £21.56

  • Hidden Harbours of Southwest Britain

    Imray, Laurie, Norie & Wilson Ltd Hidden Harbours of Southwest Britain

    20 in stock

    Book SynopsisA tour of over 30 minor harbours around the coasts of southwest Britain from Lyme Bay to the River Severn. Illustrated with evocative colour photography, Dag Pike's narrative brings to life a contrasting collection of small historic harbours, which although infrequently visited have a fascinating story to tell. 'Hidden Harbours of Southwest Britain' aims to paint a picture of what harbours were like in the past and what they are like now. They can make an interesting alternative for visiting yachtsmen looking for somewhere off the beaten track to visit and explore, perhaps by small tenders. They can tempt visitors looking to trace the industrial archaeology of harbours and the reasons for its rise and decline, or walkers along the coastal paths. Many of the harbours were built to last and they can be rich in history and rewarding to visit both by land and sea. Dag Pike has 60 years of experience in a wide variety of ships and boats having worked with Trinity House on their lighthouse tenders and with the RNLI as an Inspector of Lifeboats. He has raced offshore powerboats, sailed competitively and set many long distance records, and has cruised extensively around the coasts on both power and sail yachts. He holds a Master's certificate and a Yachtmaster Ocean. He has written 36 books including his autobiography and writes for many yachting magazines around the world. He now spends part of the year living in Cornwall and sails in the Falmouth Working Boats. "This is a real gem of a book for sailor and landlubber alike. Dag's choice of photography is particularly relevant, the page layout with the aerial topography depicting the harbour is well thought out. Thoroughly recommended". - Nautical Magazine

    20 in stock

    £8.86

  • Imray Iolaire Chart B6: Trinidad and Tobago

    Imray, Laurie, Norie & Wilson Ltd Imray Iolaire Chart B6: Trinidad and Tobago

    7 in stock

    Book SynopsisPlan includes: Chaguaramus Bay.

    7 in stock

    £21.56

  • Imray Chart M21: Eastern Mediterranean Passage Chart - South Coast of Turkey, Syria, Lebanon & Cyprus

    Imray, Laurie, Norie & Wilson Ltd Imray Chart M21: Eastern Mediterranean Passage Chart - South Coast of Turkey, Syria, Lebanon & Cyprus

    7 in stock

    Book SynopsisPlans: Larnaca Marina (Cyprus) Mersin (Turkey) Alanya Limani (Turkey).

    7 in stock

    £21.56

  • Imray Chart M35: Sicilian Channel

    Imray, Laurie, Norie & Wilson Ltd Imray Chart M35: Sicilian Channel

    3 in stock

    Book SynopsisA brand new chart of the Sicilian Channel, designed to show passage from West Sicily to Isola di Pantelleria and the Tunisian Coast. Plans included: Bizerte (1:30 000) Cap Gammarth to Carthage (1:65 000) Port de Kelibia (1:15 000) Port Yasmine Hammamet (1:25 000) Pantelleria (1:10 000)

    3 in stock

    £21.56

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