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 27
25 MAGNETIZING HORSESHOE BARS. centre to ends with two magnets simultaneously. A little bit of wood or brass should be used to prevent their ends from coming in contact in the centre of the magnet. The cut shows the arrangement, I representing the separating piece, and also shows the bar resting… … Fig. 5. Magnetizing a Horseshoe Magnet. Magnets are generally either straight' or horseshoe in shape. If of the latter description they may be magnetized by touching both poles to opposite poles of a dynamo field magnet. It should be noted that this will reduce for the moment the power of the…
Electric apparatus and appliances · Electric toys
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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