U-1951: England

3 5/8" X 5 5/8" (89mm X 138mm)

 

(both skirt and cap) / P.2320         

{Bullers}

 

Picture courtesy Bob Berry

This is a dryspot insulator where the top unscrews to expose openings inside the skirt to allow a telephone drop wire to pass through the insulator to provide a "dry spot" from rain and decrease leakage loss.  U number assignment from Worldwide Porcelain Insulators 1986 Supplement by Marilyn Albers & Jack Tod.


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