Triumphs and wonders of the 19th century, a volume of original, historic and descriptive writings showing the many and marvellous achievements which distinguish an hundred years of material, intellectual, social and moral progress (1901)
Boyd, James Penny, 1836-1910 · Philadelphia, A. J. Holman & co · leaf 324
des of the piece as well as against the base of the projectile.This produces two strains; a longitudinal strain which is exerted in thedirection of the axis of the piece, and a transverse strain which tends toburst the gun. It is necessary, therefore, to have the piece so strong,especially at the… … 300 TRIUMPHS AND WONDERS OF THE XIXth CENTURY obtained by shrinking cylinders of steel over the original cylinder of thepiece, each outer cylinder or jacket being a few thousandths of an inchsmaller in its interior diameter than the outer diameter of the cylinderwhich it incloses, and being…
Progress · Inventions
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