Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries (1914)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley Publishing · leaf 181
the magnets, each pro-vided with a brass bush B.The coil of wire C is placedin an annular groove in themagnet, and held in positionby a ring of lead D calkedinto a recess of the groove.An extension E of the magnet is turned down so as to make agear fit, and a further extension F takes the collector… … ELECTRIC POWER AND. DEVICES. 179
Mechanical movements
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