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CD 315-334

One piece - Large power styles


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CD 317 - CHAMBERS - [010] - Light Aqua - One of the 3 styles of Chambers lightning rod system insulators. Patent AUG 14 1877 (Patent No. 194,220) - (*SK)
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CD 317.5 - [010] - Light Aqua - One of the 3 styles of Chambers lightning rod system insulators. Patent AUG 14 1877 (Patent No. 194,220) - (*CW)
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CD 317.7 - H.G.CO. - [010] - Aqua - Experimental Insulator found at the Hemingray dump. Only Power insulator to be marked “H.G.CO.” Has Drip Points on the inner petticoat. - (*UK)
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CD 317.8 / 313 / 313 / 313.1 - [010] - Aqua - One of a kind 4 part power insulator. Found at the Hemingray dump. Patent June 10, 1902 (Patent No. 701,847) - Also see the article “1904 - High - tension power transmission” for details of this design and pictures of it being tested! Also see this link for additional 1905 test photos (*UK)
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CD 317.9 - NO EMBOSSING - [010} - Aqua - Found at the Hemingray dump. 2 examples know. One with Drip Points one with out. - (*UK)

Photo compliments of:
(*CW) = Christian Willis
(*SK) = Shaun Kotlarsky
(*UK) = Unknown

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