Continental Insulators 5

By James A Lindsey Jr; posted May 26, 2021

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Here are the mid span and two other's in question. Left to right RC-1 Continental/Rubber Works U.S.A. Pat 3,061,667 (Large letters taller version). Next Same except Pat. 2,218,497/2,304,483. The other two are unmarked but I think these were made by Continental and are possibly the missing R-2. You'll see my explanation in next photo.

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