Quote Originally Posted by olddude View Post
Most of the time you can get them free, they are easy to fix, and can be used as a smelter, forge or what ever, they contain, silver, copper, niclkle, chromium, stainless, and old ones platnium.
New or old, any kiln equipped with a pyrometer would have platinum in the thermocouple. Beyond that the silver contacts may have had a small amount of platinum alloyed into the silver from the manufacture.