Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 554
POLE GENERATOR, END VIEW. A, commutator segments; B, brushes; C, coils of wire collectingpressure impulses; D, wire connecting negative brushes; E, wireconnecting positivebrushes; N-S, the field magnets —N, north poles;S, south poles; +, the positive, or outflowing, current; —, the nega-tive, or… … FIG. 4. DIAGRAM SHOWING SIDE VIEW OF ARMATURE WINDING, THE COILS, C (CORRESPONDING TO C IN FIGURE 3), AND HOW THEY ARE CONNECTED TO THE COMMUTATOR SEGMENTS, A. N-S, FIELD MAGNETS. though the big wheel only turns over seventy-five times a minute, it is so big that the wires 1024 HOW ELECTRICITY IS…
Children's literature
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