Blue and Blonde Pittsburgs
By Michael Green; posted March 13, 2021
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Here's some of my favorite Blues and Blonde's made by the Pittsburg High Voltage insulator Co. 1909-1921. Top L-R U-113, U-241A, U-172, U-243, U-246, U-12 Bottom L-R U-540, U-243, U-202A, U-148, U-498, U-12 |