9" X 4 5/8" (229mm X 117mm)
H.G.CO. / PATENT MAY 2 1893
Picture Courtesy Tommy Bolack
9" X 4 5/8" (229mm X 117mm)
H.G.CO. / PATENT MAY 2 1893 (showing RDP on inner skirt)
Picture Courtesy Ray Klingensmith
CD 317.7: USA
9" X 4 5/8" (229mm X 117mm)
H.G.CO. / PATENT MAY 2 1893
Picture Courtesy Tommy Bolack |
9" X 4 5/8" (229mm X 117mm)
H.G.CO. / PATENT MAY 2 1893 (showing RDP on inner skirt)
Picture Courtesy Ray Klingensmith |
This rare high voltage insulator was made by Hemingray.
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