Austin, Louis W. (Louis Winslow), 1867-1932, Thwing, Charles B. (Charles Burton), 1860-1946, joint author · Boston, Allyn and Bacon · leaf 82
p. 39). A time of swing ofabout six or eight seconds is con-venient for most purposes. If theneedle does not seem to swing freely, the fault may usuallybe corrected by levelling the instrument by means of thescrews. The coils are generally so connected to the bind-ing-posts that, when the middle… … Fig. 27. PHYSICAL MEASUREMENT. vanometers are generally wound for high resistance(sometimes many thousand ohms); but of course low-resistance instruments may be arranged in the same way,and, in fact, some are provided withboth high and low resistance coils. A rather more common form…
Physics
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