You're viewing a single thread.
23 comments
What's that about hats?
Mercury was used to stiffen hats for a long time. That is also the background for the “mat hatters”.
Mats with hats?
Bow do you stiffen something with mercury?
https://en.wikipedia.org/wiki/Mercury(II)_nitrate specifically.
Very carefully.
Mad as a hatter, mercury poisoning.
23 comments