Easy electrical experiments and how to make them; (1918)
Dickinson, Leonard Perley, 1874- [from old catalog] · Chicago, F. J. Drake & co · leaf 155
be required. Directions will be given in the following chapter for wind-ing the armature, building commutator, and finishing up themachine. 140 EASY ELECTRICAL EXPERIMENTS. CHAPTER XLII. THE DESIGN OF A SMALL DYNAMO. PART IV. The armature of our dynamo is to be of the well knowndrum type. The… … ply houses. About sixty of them are needed to make a pileone inch high, so we will need 150 such discs. They aremounted upon a shaft of soft steel, which is 5-16 inch indiameter at the ends and % inch in diameter in the middle,and should be at least 9% inches long. The central portionis threaded as…
Electric apparatus and appliances · Electricity
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