12-22-2016, 07:09 AM
Philco switched to a different type of tar (or whatever that stuff was) in the 1940s in their bakelite blocks; the latter is much harder than the previous substance.
Mike, are you using heat or are you digging the insides out of the blocks?
Mike, are you using heat or are you digging the insides out of the blocks?
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Ron Ramirez
Ferdinand IN