[Trade Journal]
Publication: Western Electrician
Chicago, IL, United States
vol. 42, no. 6, p. 134, col. 2
ILLUSTRATED ELECTRICAL PATENT RECORD.
Issued (United States Patent Office) January 21, 1908.
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| No. 877,804. — Insulator for Third Rail. |
877,804. Insulator for Heavy Conductors. Louis Steinberger, New York, N. Y. Application filed April 17, 1907.
This insulator for an inverted and protected third rail consists of of a saddle-shaped portion engaging the rail, and in which is embedded a metallic strengthening member of the same contour. The latter has two flanges extending upward into the head of the supporting bracket. (See cut.)
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