23 Mar
2006
23 Mar
'06
3:29 p.m.
On 3/23/2006 at 9:21 PM Jim Beacon wrote:
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
And as primary cells--mercury cells have a remarkably stable voltage output
over their life.
Cheers,
Chuck