02-05-2017, 09:50 AM
Looks to me like they might be made of Tenite, and the resulting shrinkage/damage has manifested itself on the ends of the knobs only. Since this is a Canadian Philco, perhaps they used Tenite for those knobs unlike the USA versions which are Bakelite?
I would clean first, then fill, then paint.
I would clean first, then fill, then paint.
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Ron Ramirez
Ferdinand IN