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 514
the consequent downward strain on the deck and Vavasscurs Carriage is represented in Fig. 3278. The arrangement for checking the recoil of thegun consists of a steel screw H, square in cross-section and of 30 in. pitch, extending nearly the en-tire length of the slide. The front end of the screw… … gun is run in and out by the hand-wheel shown at the side of the carriage, operating rack-and-pinionmechanism. Z is the port and S the swinging port-stopper. U is a movable rod, on which theshell-hoisting tackle traverses.
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