Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 968
current of the local battery, which enters by thebinding screw <:, ascends the column ;;?, passes into the lever /, descendsby the rod f, which transmits it to the screw Z : thence it enters theelectromagnet of the indicator, and returns to the local battery from whichit started. Then, when the… … Fig. 928 the relay transmits to the indicator exactly the same phases of passage andintermittence as those effected by the manipulator in the station which sendsthe despatch. With a general battery of 25 Daniell cells the current is usuallystrong enough at upwards of 90 miles from its…
Physics
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