Electric toy making for amateurs. This work treats on the making of electrical toys, electrical apparatus, motors, dynamos and instruments in general ... By T. O'Conor Sloane .. (1914)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · New York, The N.W. Henley publishing co. · leaf 121
derfactory, or other place, whereIndia rubber interwoven fabricsare made. The threads may bequite long—six or eight feet isnot too much. The bunch of threads is heldin one hand, by the end, asshown, if not too long, orotherwise are suspended to theceiling, and are gently strokeddown with a feather… … Fig. 50. Experiment withRubber Threads CHAPTER VIII.Hand Power Dynamo. A hand power dynamo is necessarily a rather feeblemachine. But the construction of one is compara-tively easy, and will give good practice, the benefitsof which will be felt if a larger one is ever attempted. For the sake of…
Electric apparatus and appliances · Electric toys
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