Lessons in practical electricity; principles, experiments, and arithmetical problems; over four hundred illustrations; an elementary text book (1909)
Swoope, C. Walton (Coates Walton), d. 1901 · New York, D. Van Nostrand company · leaf 193
two coils, the otherfour posts being on the opposite side.Three brass leveling screws underneath the base are used to level the instrumentso that the glass jewel rides freely on itspivot. Fig. 159 shows a diagram of the methodof winding. The coils are all wound inthe same direction, B representing… … QALVAXOMETERS. 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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