Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book (1902)
Swoope, Coates Walton. [from old catalog] · New York, D. Van Nostrand company · leaf 193
two coils, the otherfour posts being on the opposite side.Three brass leveling screws underneaththe base are used to level the instrumentso that the glass jewel rides freely on itspivot. Fig. 159 shoTvs a diagram of the methodof winding. The coils are all wound in the same direction, B representing… … GALVAXOMETERS. 175 maybe connected up in a number of different ways to illustrate thelaw of series and parallel circuits, and the magnetic effect upon theneedle by varying the number of turns around it. Figs. 160 A, B andC, illustrate several connections of the galvanometer coils, and theturns, or…
Electricity · Magnetism
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