Electrical and scientific instruments and apparatus : november 20th, 1899 (1899)
Elmer G. Willyoung & Co · New York : E.G. Willyoung · leaf 48
sions of 0.1, 0.2, 0.3, and 0.4 ohms. In rubber toppedmahogany box. Accuracy 1-10^. *In Stock. We try to carry in stock (W4246- W4248) coils of 0.5, 1,10, 100 and 1000 ohms. All otheis must be wound to order. 43 SINGLE STANDARDS OF HIGH ACCURACY. (B. A. FORM.) This is the oldest recognized form of…
Electric apparatus and appliances · Equipment and supplies
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