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3 3/8" X 4 1/8" (83mm X 101mm)
(Base by thread start - inkstamp)
Picture courtesy Bob Berry |
U-1935: Switzerland
|
3 3/8" X 4 1/8" (83mm X 101mm)
(Base by thread start - inkstamp)
Picture courtesy Bob Berry |
This is a dryspot insulator where the top unscrews to expose openings inside the skirt and wire groove to allow a telephone drop wire to pass through the insulator to provide a "dry spot" from rain and decrease leakage loss. The logo is for the Suisse Langenthal Co. U number assignment from Worldwide Porcelain Insulators by Marilyn Albers & Jack Tod.
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