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Scientific American, Vol. 84, No. 26 (1901) (1901)
leaf 7
t the central sta- silver, aluminium, antimony, nickel and tion has a frequency of 15 per second. platinum are the other metals that figure When running synchronously the high ten- in the table. sion motors make 300 revolutions per min- ute. In the rotor of the same motor the 2+ 0 Applied on a… … OF A VALTELLINA CAB. TRUCK © 1901 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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