A dictionary of electrical words, terms and phrases (1896)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W.J. Johnston company · leaf 267
on and Steel Wire Manufacturers Association.) Gail.] 255 [Glaa. from the numerous arbitrary numbers of sizes ofwires employed by different manufacturers.These differences are gradually leading to theabandonment of arbitrary sizes for wires and em-ploying in place thereof the diameters directly… … Fig. 284. Round Wire Gauge. for varying widths, cut in the edges of a circularplate of tempered steel, serve to approximatelymeasure the diameter of a wire, the sides of thewire being passed through the slots. Numbers,indicating the different sizes of the wire, areaffixed to each of theopenings.…
Electricity · Electrical engineering
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