Easy electrical experiments and how to make them; (1918)
Dickinson, Leonard Perley, 1874- [from old catalog] · Chicago, F. J. Drake & co · leaf 210
n. The amateur will have to beginby first locating the gear A, then the shaft which carries thegear H, then the shaft which carries B and the armature o£ EASY ELECTRICAL EXPERIMENTS. 195 the motor, and the location of this last shaft will determinethe location of the field magnet frame in the frame… … Plan View of Truck radius, one of the axles will have to be so fixed that it may-swing in one way or the other to allow the locomotive to goaround the curves. The amateur can easily arrange this forhimself. The springs which convey the current into the armature aremade of very thin spring copper or…
Electric apparatus and appliances · Electricity
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