At 10:35 PM 9/26/2010  -0700, Scott Daniel  - Turbovans wrote:
>'Coin silver' ........how do you figure ?

http://www.cmwinc.com/silver-contacts.php

I used the term loosely -- it may be fine (i.e. essentially pure)
silver for all I know.  The point is that it's a solid chunk of
silver that forms the contact face, rather than a plating of some sort.

>what's the contact for the washer function made of ?

No idea, never seen one.

That said, beryllium copper wouldn't surprise me.

Yours,
David