Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 568
Pig. 12.—Perret motor. Cross eection. MOTORS, ELECTRIC. 54£ … Fig. 13. C. & C. motor. alternate north and south poles. Tlie magnets are built up of plates of soft charcoal iron,which are shaped as shown in the diagram, and the magnet thus produced is of such a formthat it may be readily wound in a lathe. A non-magnetic bolt passes through a hole in…
Mechanical engineering
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