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Scientific American, Vol. 68, No. 1 (1893) (1893)
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ted search lights and other de- ° In this machine, in place of the usual] cone pulley for power (lamps of any power up to 110 candles driving and varying the speed, is a device produc- vices for electrical display. The tower is to be con- ean be used with a possible elongation of the ing a… … NOVEL CUTTING-OFF MACHINE, A © 1893 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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