es between the per- with their disruption, raised the pressure to a tremen- ments of powder grains in a gun can cause the pres- forations and between the outer circle of perforations dous height and destroyed the weapon. sure to mount to a degree approaching that which and the circumferential… … inches, and having a thickness of from three-quar- sure mounted sufficiently high to explode the ABUTMENT OF THE ALEXANDEB III. BBIDGE. ters of an inch to one inch, and a width of from grain, blowing it into fragments at its central one inch to one inch and one-half, and mul- portion. If we take a…
Powder · Pressure · Smokeless · Exposition · Acetylene · Scientific American · Munn · Rapid transit · Railway company · Smokeless powder · Metropolitan street · Acetylene gas · High pressure · Muzzle velocity · Street railway · Chamber pressure
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