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Scientific American, Vol. 87, No. 26 (December 1902) (1902)

leaf 4

An illustration from Scientific American, Vol. 87, No. 26 (December 1902), 1902, leaf 4
wo parallel legs about eleven- problem which confronts the Street-cleaning Depart- electric current. A plate of carbon from an old dry ment, namely, the disposal of snow thus accumulated. sixteenths of an inch apart has soldered in the middle battery, and a permanent bar magnet of quarter-inch of… … communicate with the for- upper pole, it sets up a MACHINE FOB MELTING AND REMOVING SNOW. ward end of the furnace, vigorous rotation about it and a forced draft is provided by means of blowers round steel eight inches high are wired into electrical in a direction depending upon which pole is having…

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