Besides the threaded pinhole, there are also threads on the inside of the outer skirt.
This particular insulator was used in a power station at the Fort Sheridan army base in northeastern Illinois.
CD 263 [020] COLUMBIA
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CD 263 [020] (Embossed on the front skirt)
COLUMBIA, smooth base, lite aqua.
Besides the threaded pinhole, there are also threads on the inside of the outer skirt. This particular insulator was used in a power station at the Fort Sheridan army base in northeastern Illinois. |
This page created August 11, 2002