Six vulcanite insulators for telegraph wires mounted on short pole, unknown maker, probably British, 1850-1870.
These six vulcanite telegraph wire insulators of various patterns date from the 19th century. Although vulcanite, a preparation of rubber, was an expensive material, it was considered to be more economical than earthenware insulators in areas where stone-throwing was popular.
- Object Number:
- telephone line insulator
- control and communications
- From S W Silver
- Unknown Copyright holder
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