On Sun, 12 Feb 2006 23:34:04 +0000, Andy Dingley
wrote:

On Fri, 10 Feb 2006 13:22:19 -0000, "Peter Crosland"
wrote:

It is not actually. The mercury content is very hazardous in large amounts.

When I was a kid I used to make pocket money by collecting old mercury
rectifiers and selling the metal off when I'd filled the carboy (some
tens of lbs).

Dropped one once...

Mein Gott!

How old are you?

The only mercury arc rectifier I have seen (not to say gone round and
collected, it was a a one off instance) was in Crich Transport Museum,
and I am 59 !

DG