Just watched this on Youtube and wondered at the implications in jewellery use.
An easily home made putty to protect against heat using baking soda, cornstarch and pva glue.
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On this topic of protecting stones from heat. I remember many decades ago that bench jewellers used the common practice of wrapping their delicate stones in … ASBESTOS. My gosh how times have changed!
Gerry, on my iPhone
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Remember using it in and out of school with bunsen burners in science classes Gerry .
I also remember playing with handfuls of mercury, it’s a wonder we survived at all.
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I found this video fascinating. I watched the Starlite TV program in the 90’s with my father, we were equally fascinated then. Now I have to wait until I can re-establish my workshop facilities before I can play with the idea.