The elements of dynamic electricity and magnetism (1903)
Atkinson, Philip. [from old catalog] · New York, D. Van Nostrand company · leaf 167
sed by a consumer of lightor power are constructed on various principles. Amongthese is the Edison current-meter, in which a small per-centage of the current is passed through two cells con-taining amalgamated zinc plates immersed in a solutionof zinc sulphate. Zinc is thus deposited on the… … Fig. 6o.The Forbes Coulomb-Meter.—Meters like the Edisoii ELEC TRIG ME A S UREMEN T. 15 cannot be used for the measurement of alternating cur-rents; but one has been invented by Forbes, operatedby the heat developed by the current, which can meas-ure either direct or alternating currents. Its…
Electricity · Magnetism
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