Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries (1914)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley Publishing · leaf 207
frame under the belland close to it, on which is laid a free cannon ball.As the buoy rolls on the sea, this ball rolls on theplate, striking some side of the bell. In this design a very small roll of the seamakes a constant ringing of the bell. 522. THE WHISTLING BUOY. The hanging tube below the… … NAVIGATION, VESSELS, MARINE APPLIANCES, ETC. 205
Mechanical movements
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