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 106
gnet ends,denote the north and south poles respectively. Thebobbins have, as cores, two bundles of iron wire,which should be annealed and oxidized. Each piece THE MAGNETO-GENERATOR. of wire should be long enough to nearly reach fromface to face of the magnets. As wire, Nos. 30 to 36 may be used.… … Fig. 42. Magnbto-Gbnerator. may be used instead, and each of the layers may thenbe varnished with alcoholic solution of shellac. Thegeneral precautions observed in winding the secondaryof an induction coil must be followed here. In laying on the windings the greatest care must betaken to avoid…
Electric apparatus and appliances · Electric toys
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