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In the eighteenth and ninrteenth centuries felt hats were cured using mercury. Mercury is extremely toxic and poisoning by this substance causes symptoms similar to 'madness'. Many hatters of the time were made ill or even killed as a result of mercury poisoning.
use of chemical fertilisers.
in the 1800's nearly Everyone would wear a top hat. the hatter would always make his hats by hand. The process of making a hats involves some chemicals and one of those chemicals would be mercury. Hatters would take hours inside a closed area with no fresh air and the mercury would make them go crazy or mad. Hatters would mostly always known to be a little crazy or insane and that is where the cliche was formed.
In the episode 'Principal Charming', Bart uses the (fictional) chemical Sodium Tetrasulfate to burn his name in the football field. Principal Skinner later uses the same chemical to burn a marriage proposal to Patty.
There weren’t hatters in Ancient Rome. Many women wore wigs as part of fashion.
Not any more. Hatters used to use mercury to cure the felt they used for hats during the eighteenth and nineteenth centuries, but the parctice ended around the start of the twentieth century.
hatters do have tools they have pools and hammers
The Mad Hatters was created in 1935.
cause the hatters are retards and they are just jelouse!
Mad Hatters - 1920 was released on: USA: 24 October 1920
Make hats.
Yes
The hatters.
They made hats.
7 pesos
Mercury. Hatters in the old days used to use it quite a bit, thus the term "Mad Hatter."