Beaver hats; 'felting' the body of the hats in the 'kettle'. Mercury was used during the manufacture and many hatters suffered from the uncontrollable shaking typical of mercury poisoning. From 'The Penny
Mad hatter disease
Henry Bird Quote: “Place the contents of the Chess box in a hat, shake them up vigorously, pour them on the board from a height of two feet...”
An engraving depicting the manufacturing of beaver hats: 'felting' the body of the hats in the 'kettle'. Mercury was used during the manufacture, and many hatters suffered from the uncontrollable shaking typical
Where did the phrase “mad as a hatter” come from?
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Beaver hats, 'felting' the body of the hats in the 'kettle' Mercury was used during the manufacture..., Stock Photo, Picture And Rights Managed Image. Pic. IAM-0460001647 | agefotostock
TIL the term “mad hatter” originated in the 18th century when hat makers were poisoned by the mercury used in the process of turning animal fur into felt. : r/todayilearned
Herman Gibb, PhD, MPH Gibb Epidemiology Consulting Arlington, VA, USA - ppt download
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Beaver hats, 'felting' the body of the hats in the 'kettle' Mercury was used during the manufacture..., Stock Photo, Picture And Rights Managed Image. Pic. IAM-0460001652 | agefotostock
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Alice's Adventures in Wonderland: The Mad Hatter Shaking his shoes off" Photographic Print for Sale by northernlit | Redbubble