[Trade Journal]
Publication: Western Electrician
Chicago, IL, United States
vol. 22, no. 25, p. 372, col. 2,3
ILLUSTRATED ELECTRICAL PATENT RECORD.
Issued June 7, 1898
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605,256. Insulator. Ralph D. Mershon, Colorado Springs, Colo. Application filed February 14, 1898.
An insulator for high-tension circuits having a long, tubular petticoat adjacent to the supporting pin and a short outer petticoat of much greater diameter, the edge of which is approximately the same striking distance from the cross-arm and the supporting pin.
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| No. 605,256. |
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