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Colored insulators were sometimes sold by manufacturers to enable color-coding of the various wires on each telephone pole. But in other cases the color was the result of the manufacturer simply having used a batch of recycled glass left over from some other job in its manufacturing process.
INLSULATORS
CD168 Hemingray Orange Amber Lt. Irid…» See all amber insulators Show & Tells

I got interested in insulators when I lived in El Cajon and my neighbor worked for San Diego Gas and Electric. His son had a bunch… [more]

For an explosion of color and a quick education on the many beautiful varieties of insulators, blown glass bricks, … [read review or visit site]

Bill Meier's reference site by and for insulator collectors includes event listings, reference information, photo g… [read review or visit site]

Christian Willis' well-organized database of Hemingray insulators. Browse over 300 photos by CD number, style, or s… [read review or visit site]

Shaun Kotlarsky's tribute to the Hemingray Glass Company. While known for its insulators, this site also showcases … [read review or visit site]