Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 219
the inclinedvanes. The air, acting on the vanes according to the wellknown law of the inclined plane, produces a lateral move-ment of each vane, and the vanes being restrained at thecenter of the wheel while free at their outer ends are com-pelled to move circularl3^ HVGROMETRY. The toy hygroscope… … Hot Air Motor. HEAT. 197
Physics · Lantern projection · Electric apparatus and appliances
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