Star Porcelain Co. Announces Black Glazed Porcelain

By Elton Gish; posted September 28, 2007

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This is an advertisement in the December 30, 1905 issue of Electrical World and Engineer. They announced offering electrical porcelain insulators with a true black glaze. The company made standard porcelain, tubes, bushings, and other specialty porcelain -- not pintype insulators.

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