Quote Originally Posted by jackson.alan46 View Post
[SIZE="3"]Mad as a hatter ! (the expression came from mercury poisoning due to compounds used in making hats 2 to 3 centuries ago)
REALLY, Alan? ... I hadn't realised that! I mean, I was aware of its extremely high level of toxicity ... but never knew it had been used in hat-making. It just goes to show that ... even at MY late stage in life ... I'm still learning new things, thanks to people like your goodself!