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Scientific American, Vol. 77, No. 16 (1897) (1897)
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f his vigor. Mr. Mason be used asa motor. Integral with and on the outer parts. selects as illustrative a city of 100,000 people, such as side of this pulley is a disk, having teeth on opposite The device which holds the cutters, and to which| Albany, N. Y., where the deaths from typhoid have… … candescent lamps, ringing magneto bells, ete. found 29,025 days lost THE VOORHEES BOILER TUBE CLEANER.—FIG. 1. © 1897 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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