[Trade Journal]
Publication: Western Electrician
Chicago, IL, United States
vol. 8, no. 20, p. 280, col. 3
The Cinch Insulator.
The insulating material used in this trolley wire insulator is comb stock rubber. The stem and yoke are of malleable iron, and the
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The Cinch Insulator. |
pin is of brass. The strains on the insulating material are those of compression. There are no screw threads or other parts subject to deterioration from exposure. The objects aimed at in the design of this insulator are great strength, high insulation, small size, convenience, durability and cheapness. This insulator is manufactured by Emmet Bros. & Griswold, New York.