[Trade Journal] Publication: The Electrical Engineer New York, NY, United States |
TRADE NOTES AND NOVELTIES AND MECHANICAL DEPARTMENT. · · INSULATION.
THE H. W. JOHNS MANUFACTURING CO., of 87 Maiden Lane, this city, have published a very attractive pamphlet, setting forth the claims made for their moulded mica, "Monarch" and " Vulcabeston" insulators. The little book contains 82 pages and is embellished with detail illustrations of railway line apparatus, lamp sockets, cut-outs, field magnet spools, commutator heads and rings, waterproof sheathing, etc. · · |
Keywords: | H. W. Johns Manufacturing Company |
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Supplemental information: | |
Researcher: | Bob Stahr |
Date completed: | April 13, 2011 by: Bob Stahr; |