Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 759
ina-tion is given by themean of these two ob-servations. 732. Marinerscom-pass.—The magneticaction of the earth hasreceived its most im-portant application inthe manners compass.This is a declinationcompass used in guiding the course of a ship. Fig. 700 represents a viewof the whole, and fig. 701 a…
Physics
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