Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 701
the 34-cmt. shell is described as follows: The projectile is brought to a cherry-red heatthroughout, plunged in oil, and kept immersed until cold; it is then brought again to acherry-red and dipped in cold water as far as the front band, where it is kept eight or tenminutes; finally it is wholly… … 10.—The quarter bale. PROJECTILES. 673 extended to the manufacture of common and shrapnel shell also; the thickness of the shellwalls is thereby greatly reduced, while retaining all the strength of the cast-iron projectile,so that the interior capacity for bursting charge or bullets, and…
Mechanical engineering
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