Faýl:Thompson mirror galvanometer use.png

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English: Drawing of a Thomson reflecting galvanometer from around 1880, showing use. The vertical tube contains a fine silk fiber, which suspends a 1/2 in. mirror with small magnets on its back, seen in window, in the center of a coil of wire. A light beam reflected from the mirror lands on a scale and serves as a pointer. Tom Perera's Scientific instrument collection says this was a Model 502, made by Elliot Bros., London. It has interchangeable coils of from 150 to 5000 ohms resistance. The left drawing is from Schneider, the right from Thompson. Alterations: removed captions, rotated Schneider image so it was vertical, scaled Thompson image by 0.60, combined images.
Nederlands: Tekening van een Thomson spiegelgalvanometer van ongeveer 1880.
Sene we 1881
Çeşme Downloaded from Norman H. Schneider (1913) Electrical Instruments and Testing, Spon & Chamberlain, New York, p.13 fig.8 and Thompson, Silvanus P. (1881) Elementary Lessons in Electricity and Magnetism, Macmillan, London, p.169, fig.91 on Google Books
Awtor Norman Hugh Schneider and Silvanus P. Thompson
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(Bu faýly täzeden ulanmaklyk)		 Public domain - authors died more than 70 years ago
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Thomson galvanometer

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1913

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häzirki23:41, 12 dekabr 200723:41, 12 dekabr 2007 senesindäki wersiýanyň miniatýurasy1 215 × 614 (65 KB)wikimediacommons>Chetvorno== Summary == {{Information |Description=Drawing of a Thompson reflecting galvanometer from around 1900. The vertical tube contains a fine silk fiber, which suspends a 1/2 in. mirror with small magnets on its back, seen in window, in the center of a coil

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