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
- 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.