DRY SPOT INSULATOR No 10 // MADE IN U.S.A.
Picture Courtesy Bob Berry
CD 182: USA
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Picture Courtesy Bob Berry |
This Whitall Tatum insulator is known as a dry spot due to the fact it is designed to allow the telephone drop wire to be potted under the extra wide skirt to provide a "dry spot" on the wire to reduce leakage. It was made to the 1929 Rufus Gould patent.
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