Electrical and scientific instruments and apparatus : november 20th, 1899 (1899)
Elmer G. Willyoung & Co · New York : E.G. Willyoung · leaf 157
o 3750 0 to 150 0 to 4500 0 to 150 0 to 5250 0 to 150 0 to 6000 0 to 150 vs^ith extra resistance |without I with extra resistance )without ) with extra resistance \without I $100 00 105 00 115 00 with extra resistance iok nn .,1 . ,, ,, y 125 00 without ^ • • • . with extra resistancewithout with… … Fig. 121. Inspectors D. C. Voltmeter. Under this designation any of the preceding voltmeters are furnished,permanently mounted, in a polished mahogany carrying box (See fig. 121.)There is a reversing key, and contacts are made with socket-tipped flex-ibles attaching to studs, instead of by means of…
Electric apparatus and appliances · Equipment and supplies
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