File:Life in Motion Fig 67.png

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English: Fig. 67.—Wiedemann's galvanometer, much employed, especially in Continental schools, by physiologists. The two outer coils are of low, and the two inner coils are of high, resistance. The low resistance coils are used for thermal currents, and the high resistance coils for the currents of living tissues. A ring magnet is suspended by a long filament of silk, and hangs in a copper box in the centre of the coils of wire. On the rod carrying the ring-magnet, and in the box above the coils, we have a mirror, which reflects a beam of light on to the scale.
Date
Source Life in Motion, or, Muscle and Nerve[1].
Author John Gray McKendrick

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Public domain

The author died in 1926, so this work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 95 years or fewer.


This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

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current13:03, 10 December 2015Thumbnail for version as of 13:03, 10 December 20151,460 × 1,680 (369 KB)Keith Edkins (talk | contribs){{Information |Description={{en|1=Fig. 67.—Wiedemann's galvanometer, much employed, especially in Continental schools, by physiologists. The two outer coils are of low, and the two inner coils are of high, resistance. The low resistance coils are use...

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