![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 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](https://c8.alamy.com/comp/RJGY8E/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-of-mercury-poisoning-dated-19th-century-RJGY8E.jpg)
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
![Ending the Danbury Shakes: A Story of Workers' Rights and Corporate Responsibility - Connecticut History | a CTHumanities Project Ending the Danbury Shakes: A Story of Workers' Rights and Corporate Responsibility - Connecticut History | a CTHumanities Project](https://connecticuthistory.org/wp-content/uploads/2013/08/DanburyHatFur.jpg)
Ending the Danbury Shakes: A Story of Workers' Rights and Corporate Responsibility - Connecticut History | a CTHumanities Project
![Alice's Adventures in Wonderland: The Mad Hatter Shaking his shoes off" Photographic Print for Sale by northernlit | Redbubble Alice's Adventures in Wonderland: The Mad Hatter Shaking his shoes off" Photographic Print for Sale by northernlit | Redbubble](https://ih1.redbubble.net/image.3666283989.2767/fpp,small,lustre,wall_texture,product,750x1000.jpg)
Alice's Adventures in Wonderland: The Mad Hatter Shaking his shoes off" Photographic Print for Sale by northernlit | Redbubble
![Alice in Wonderland Mad Hatter Shaking Off His Shoes Postcard #1 | Topics - Fine Arts - Other, Postcard / HipPostcard Alice in Wonderland Mad Hatter Shaking Off His Shoes Postcard #1 | Topics - Fine Arts - Other, Postcard / HipPostcard](https://storage.googleapis.com/hippostcard/p/32a22a9774b2db1546da8129085a6b55.jpg)
Alice in Wonderland Mad Hatter Shaking Off His Shoes Postcard #1 | Topics - Fine Arts - Other, Postcard / HipPostcard
![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 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](https://c8.alamy.com/comp/D96TCW/beaver-hats-felting-the-body-of-the-hats-in-the-kettle-mercury-was-D96TCW.jpg)
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
![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 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](https://external-preview.redd.it/aWkeUQnfJDvQ5ZCb559gBLQKBUZdGPY-oO0iCLCKJYg.jpg?auto=webp&s=ad232246c954646317124457dffb4bd1eb5d0415)