A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 887
Fig. 789.—Galvano-meter with astatic mag-nets. Fig. 790.—Magneticsystem of the Brocagalvanometer. 802 MAGNETISM AND ELECTRICITY CHAP. The … Fig. 791.—Simple galvanometer. NssN and SnnS have poles ss and nn at their middle parts,coil is arranged with these middle poles at its centre. In addition to rendering the galvanometer more sensitive, theastatic arrangement of magnets makes it less liable to disturbancesby varying external…
Physics
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