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
the gun as well as the number of parts. These guns have been constructed of various cali-bres, viz., 7 in., 8 in., 9 in., 10 in., 11 in., 12 in., 16 in. The last named is known as the 81-ton gun,a description of which will suffice to show the method of construction for all sizes. The interior ofthe… … o run into a large mould. Over the rear end of the steel tube was shrunk a very powerful coil ofwrought iron, called the breech-piecc. This was made of a single bar, 12 in. thick from inside tooutside, hammered, rolled, and coiled—forming a cardinal point in the mode of construction. Thecascable…
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