Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 834
ted at separate binding screws near the coils. Theseconnections are shown diagrammatically in the figure. The cop-per straps are so placed that only the currents in the transversestraps affect the needle. It will thus be seen that three de-grees of sensitiveness are obtainable: 1st, by connecting… … . 515. by connecting at terminals 2 and 4, which throws in thetransverse strap in front of the needle. Bent bars like that 814 ELECTBICAL MEASUREMENT. shown at B are used to short circuit the galvanometer whenrequired. The extra mercury cup, 1, allows the galvanometercircuit to be opened by the…
Electrical engineering
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