Laboratory exercises in physics for secondary schools (1902)
Twiss, George Ransom, b. 1863 · New York, London, The Macmillan company · leaf 140
broughtdirectly under the pointer. Tangent Galvanometer. — This galvanometer, likethe others, is levelled at the base; but since thepointer is set at right angles to the needle, the diam-eter through the two zero marks of the scale must lieeast and west, and the plane of the coil must be inthat of… … Fig. 26. — Astatic Galvano-meter. 112 LABORATORY EXERCISES IN PHYSICS
Physics
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![An illustration from Essai de physique, par Mr. Pierre van Musschenbroek ... avec une description de nouvelles sortes de machines pneumatiques, et un recueil d'expériences par Mr. J. v[an] M[usschenbroek] Traduit du hollandois par Mr. Pierre Massuet .. (1751)](https://img.insideoutlibrary.com/img/200/ia-essaidephysiquep02muss-436-68.webp)
