On Sun, 12 Feb 2006 23:54:16 +0000, Derek ^
wrote:

How old are you?

Young enough that these things were getting replaced at the time.

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 !

I saw one on Friday - sitting in the foyer of a local cinema.

I think I'll offer to remove their dreadful hazardous device for them
8-) I wish I'd kept one of those glass octopuses.