Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 503
f high steel, and is shrunk on the barrel with just sufficient tension to compensatefor the difference of elasticity between the two. The outer jacket to which the trunnions are at-tached is of cast iron, and is put on with only the shrinkage attained by warming it over a fire. Thesteel tubes are… … increased. They are made to throw 700-lb. projectiles, with a calibre of 12 in., and weigh as muchas 40,000 lbs. * The Vavasseur Gun, Fig. 3263.—This gun is manufactured entirely of steel. The inner or A tubeis rou^h-bored, left solid at its breech end, turned down nearly to its finished…
Mechanical engineering -- Dictionaries
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