ose of protecting commerce on the high seas, and in such a case good of the row of balls is covered, the trick appears mys- pressure levers are fitted with a slot and adjusting terious. It is hardly less so when the entire experiment screw to allow of the expansion in the cylinder being offensive… … In the case of the experiment with the lubricating apparatus. The propellers SCIENTIFIC TRICKS WITH BILLIAED BALLS AND COINS. billiard balls it is found by careful obser- are of gun metal, each propeller having vation that separate blows are given to three adjustable blades constructed to work…
Munn · Machine · Iron · Steel · Scientific American · Adapted · Terne plate · Indicated horse · Horse power · Pressure cylinders · Foreign born · Low pressure · Typhoid fever · Hot water · Illustrated catalogue
Internet Archive · Public domain (published before 1931). Free to use for anything.
