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 527
n front of the trunnions to the breech-cap of theinner tube, and thence, with an increased thickness, clear through the breech to its face. Thisarrangement was modified by substituting a jacket which is prolonged to the rear and adapted for thereception of a round-wedge fermeture. In Fig. 3306, C… … tube A with its jacket B, which is inserted at the breech. The tube is made of coiled wrought iron,and is of equal length with the casing. It is reenforced at the breech end for a distance of 40 in.by a steel jacket, which is united with it by shrinkage. The breech of the jacket is prolonged 24 in.…
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