单词	galvanoscope
释义	galvanoscope /ˈɡalv(ə)nəˌskəʊp / noun A galvanometer that works by measuring the deflection of a needle in the magnetic field induced by the electric current.The British telegraph, invented by Cooke and Wheatstone utilized 6 wires which actuated five needle pointers attached to five galvanoscopes at the receiver end.... An excellent experimenter, Poggendorff devised a number of measuring devices, including the galvanoscope and Poggendorff mirror. I soldered two wires to the edges of the enclosed sheet of iron, and connected them with a galvanoscope, but could not perceive any effect upon the needle. Derivatives galvanoscopic adjective ... The deflection mirrors 5 and 7 are galvanoscopic mirrors which are rotated through a certain angle in dependence on the value of an electric control voltage.
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