Easy electrical experiments and how to make them; (1918)
Dickinson, Leonard Perley, 1874- [from old catalog] · Chicago, F. J. Drake & co · leaf 60
so that it will be impossible fora wire to touch them. There will be needed for the armature Y^ pound of No. 18double cotton covered magnet wire. Place it upon a reel orspool upon the work bench so that the wire may easily be EASY ELECTRICAL EXPERIMENTS. 46e unwound from it, taking care in handling… … SECTION OF ARMATURE. as to allow free access to the latter. Two or three nails driveninto the blocks will prevent the shaft from slipping off. Having made these preparations, we are ready for the wind-ing. Begin at any one of the twelve spaces and wind the firstcoil in this space. The wire is wound…
Electric apparatus and appliances · Electricity
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