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Scientific American, Vol. 80, No. 14 (1899) (1899)
leaf 7
d run along through the per- The writer believes that the grain shown in forations and jets of flame would be thrown out Figs. 4 and 5, made in lengths of, say, eighteen at both ends with great violence, until the pres- inches, and having a thickness of from three-quar- sure mounted sufficiently… … in guns under normal service conditions. It when fired ina gun under a given pressure is probable that the hard colloid of which ION OF THE ALEXANDER III. BRIDGE. may not stand if the pressure be increased. © 1899 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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