Electrical and scientific instruments and apparatus : november 20th, 1899 (1899)
Elmer G. Willyoung & Co · New York : E.G. Willyoung · leaf 52
mperes. Design and Construction similar to W4285. W4287. Reichsan§talt 0.0001 Ohm Standard Price on ApplicationSimilar to W4285-86 but larger. Carries current up to 2000 amperes. Reich§an§talt Certificate§.—Any of the here listed Reichsan-stalt Standards can be supplied (made by Wolff of Berlin)… … Fig. 40. Skeleton of W4296. Tlie Coil Bridge differs from the Slide Bridge in having thevarious resistances (Rg, Rg, and R4 of fig. 27) made up of a number ofindividual coils so arranged that the total of each Bridge Arm may bechanged at will by means of plugs or switches. Fig. 37 shows in…
Electric apparatus and appliances · Equipment and supplies
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