Mercury use (WAS RE: hospital surplus)
Roy J. Tellason
rtellason at blazenet.net
Thu Mar 23 17:47:44 CST 2006
On Thursday 23 March 2006 04:21 pm, Jim Beacon wrote:
> From: "Scott Quinn" <compoobah at valleyimplants.com>
> > Not much use I can think of in computing, but in other things quite
> > useful. Most obvious is gold prospecting, also used in other metalwork
> > (tempering bath), and in a hobby that will not be named to remove lead
> > that is stuck to steel.
> > Also vacuum pumps for home particle accelerators.
> If you go back far enough, mercury was used in memories (mercury delay line
> in some early British machines).
I remember seeing those in a book somewhere...
> It is also often used in high speed relays, especially for teleprinter type
> circuits - we had some mainframe / telegraph interfaces with mercury wetted
> relays in them, in operation, until about 8 years ago
I have a mercury-wetted relay I salvaged out of something or other. Says so
right on it. :-) It also indicates that it should be used in one specific
physical orientation, too.
So the advantage of those is speed?
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space, a critter that can
be killed but can't be tamed. --Robert A. Heinlein, "The Puppet Masters"
Information is more dangerous than cannon to a society ruled by lies. --James
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