California Glass Guidance: Junk in Glass California Insulator - Foam Mass Type

By Colin Jung; posted May 1, 2014

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I can only document about 10 pieces in current collections of California insulators that have this massive and dense quantity of "foam" in the glass. And I don't recall seeing this type of foamy junk in any other manufacturer's insulators. Here is a photo of this CD 166[010] California base-lighted to accentuate the foamy quality. Here are others:

A CD 161 owned by Denny Hackthorne:


A CD 166[020] and CD 112 owned by Dwayne Anthony (Use View Original Mode):