Elementary treatise on electricity and magnetism : (1905)
Foster, G. C. (George Carey), 1835-1919, Joubert, J. (Jules François), 1834-1910, Porter, Alfred W. (Alfred William), 1863-1939 · London ; New York ; Bombay : Longmans, Green, and Co. · leaf 469
Fig. 309. … Fig. .^10. 446 GALVANOMETERS [366- If the instrument is to be used as a ballistic galvanometer, thecoppei sphere is Iemoved, to allow oscillation to take place freely. 367. Deprez and dArsonvals Galvanometer.—A rectan-gular coil (Fig. 313), movable about a vertical axis formed by two metal wiies by…
Electricity · Magnetism
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