Quote Originally Posted by TheRecycleGuy View Post
gotta love those with the silver buttons. I saved a bunch of those and ones in blue and black boxes. At least i believe those are silver buttons you can clip off.
I set up an old bench grinder with water on the wheel just like a lapidary grinder inside an old drawer to catch the crap coming off the contacts, just break the reeds off then grind the contact off save the dust. Since the dust coming off is wet it stays in the bottom of the drawer to be collected later.



You will find that most of the contacts are heavily plated and not a solid silver alloy.