CD 248/311/311 Pyrex Insulators In Service Use # 3

By Matt Weldon; posted December 28, 2021

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Taken at Chinook, Montana along Old Highway 2. Hundreds of these Pyrex insulators were seen in service use along highway 2 between Havre and Chinook and farther east in Montana.

Scanned from a 35mm negative.

July 18, 2001

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