[Trade Journal]
Publication: Western Electrician
Chicago, IL, United States
vol. 17, no. 9, p. 112, col. 3
ILLUSTRATED ELECTRICAL PATENT RECORD.
Issued August 20, 1895.
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| No. 544,959 |
544,959. Insulator. Reuben G. Collins and Frank W. Foley, Dollar Bay, Mich. Application filed February 25, 1895.
In the insulator illustrated there is the combination with a support, of a sheath provided with a tortuous groove or slot for the reception of a wire.
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