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 25
pplied to the other half of the bar. It is well toturn it over so as to stroke all sides of it. A simpler way is to stroke from one end of the barto the other, always in the same direction, with one]oole of a magnet, returning it through the air. Two magnets may be fixed in an inclined positionwith… … Fig. 4. Magnetizing a Bar of Stebl. An excellent method is to apply the stroking from MAGNETIZING HORSESHOE BARS. 25 centre to ends with two magnets simultaneously. Alittle bit of wood or brass should be used to preventtheir ends from coming in contact in the centre ofthe magnet. The cut shows the…
Electric apparatus and appliances · Electric toys
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