Telegraph Galvanometer is a photograph by Science Photo Library which was uploaded on August 3rd, 2016.
Telegraph Galvanometer
Telegraph galvanometer. Historical illustration of a mirror galvanometer forming part of a receiving station for submarine telegraphy. The reading on... more
Title
Telegraph Galvanometer
Artist
Science Photo Library
Medium
Photograph
Description
Telegraph galvanometer. Historical illustration of a mirror galvanometer forming part of a receiving station for submarine telegraphy. The reading on the galvanometer is indicated by the mirrored light beam falling on the scale at right. Galvanometers are devices that measure the strength and direction of an electric current. In telegraphy, they can be used for indication of signal direction. Batteries and telegraph mechanisms are also shown. Artwork from 'Electricite' (1911) by Max de Nansouty, part of the 'Les merveilles de la science' series of 1867-1891 by Louis Figuier.
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August 3rd, 2016
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