CD 1051: Uruguay
2" X 1 7/8" (51mm X 49mm)
Picture Courtesy Bob Berry
This is a spool insulator which is unthreaded and mounts in a holder with a pin through the center. These were typically used to dead-end a power or communication line. Original CD assignment from Glass Insulators From Outside North America published in 1993 by Marilyn Albers & N.R. Woodward.
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