Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 821
and thuse.xert no action on the suspended magnet, or they may be slid apart fromeach other in such a manner that the action of either pole on D prepon-derates to any desired extent. This small magnet is thus capable of verydelicate adjustment. The large magnet N, and the pair of magnets, C,… … Fig. 762. point is a narrow slit, through which passes the light of a paraffine lamp, andwhich, traversing the window, is reflected from the bent mirror against thegraduated scale. By means of the adjusting magnets the image of the slitis made to fall on the centre of the graduation. This being the…
Physics
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