Description

Book Synopsis
Never heard of alum? You're not alone. Yet, for centuries, alum was vital to the production of coloured cloth. Alum was needed to fix dyes and colours to the cloth. Without alum, the colours ran and faded. With alum, they shone and were fast. As a result, as the Italian scientist Vanoccio Biringucci put it in the 16th century, alum was as essential to dyers as bread is to man'. Corner the market in alum, and you could make a fortune. Manufactured from a rock called alunite that was mined in China, Egypt and Turkey, alum contributed to the fabulous wealth of the Chinese emperors, the Pharaohs, the Byzantines and the Ottomans. A prized commodity in international trade, alum funded the opulence of Genoa, Bruges and late Renaissance Rome. Henry VII cannily exploited it, but it nearly ruined Elizabeth I. But alum also allowed crooks to make debased coins and to adulterate bread, and was at the heart of one of the most spectacular bankruptcy scandals of the 18th century. And the Black

Alum More Precious than Gold

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    A Hardback by Sydney Thorne

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      Publisher: Pen & Sword Books
      Publication Date: Publication Date: 6/30/2024
      ISBN13: 9781036101084, 978-1036101084
      ISBN10: 1036101088
      Also in:
      History

      Description

      Book Synopsis
      Never heard of alum? You're not alone. Yet, for centuries, alum was vital to the production of coloured cloth. Alum was needed to fix dyes and colours to the cloth. Without alum, the colours ran and faded. With alum, they shone and were fast. As a result, as the Italian scientist Vanoccio Biringucci put it in the 16th century, alum was as essential to dyers as bread is to man'. Corner the market in alum, and you could make a fortune. Manufactured from a rock called alunite that was mined in China, Egypt and Turkey, alum contributed to the fabulous wealth of the Chinese emperors, the Pharaohs, the Byzantines and the Ottomans. A prized commodity in international trade, alum funded the opulence of Genoa, Bruges and late Renaissance Rome. Henry VII cannily exploited it, but it nearly ruined Elizabeth I. But alum also allowed crooks to make debased coins and to adulterate bread, and was at the heart of one of the most spectacular bankruptcy scandals of the 18th century. And the Black

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