Rubber pin-type insulator, ca. 1930
Contributed by Maine Historical Society
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Rubber insulators were a common replacement for glass pin-type insulators on telephone lines between 1930 and 1980.
In some areas, the glass insulators had proved tempting targets for thrown rocks or gunfire.
Insulators are needed on electric lines to prevent the electricity from "leaking" out of the wire.
- Title: Rubber pin-type insulator, ca. 1930
- Creator: Continental Rubber Works
- Creation Date: circa 1930
- Subject Date: circa 1930
- Media: Rubber
- Local Code: 204.090.4864
- Collection: Central Maine Power Co.
- Object Type: Physical Object
For more information about this item, contact:
Maine Historical Society
489 Congress Street, Portland, ME 04101
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