[Trade Journal] Publication: Western Electrician Chicago, IL, United States |
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ILLUSTRATED ELECTRICAL PATENT RECORD. Issued (United States Patent Office) May 31, 1904. · ·
761,553. Third-rail Support. Louis Steinberger, New York, N. Y. Application filed December 7, 1903. A third-rail support comprises an outer shell and an inner shell each provided with anchor surfaces, a body of insulating material engaging both of the shells and held firmly by aid of the anchor surfaces, and a member engaging one of the shells and normally supporting it, the other of the shells being provided with a surface for engaging the rail. (See cut.) · · |
Keywords: | Third Rail Insulator : Electrose Manufacturing Company : Louis Steinberger |
Researcher notes: | |
Supplemental information: | Patent: 761,553 |
Researcher: | Bob Stahr |
Date completed: | March 21, 2009 by: Bob Stahr; |