A Text-Book of Ordnance And Gunnery: Prepared for the Use of Cadets of the U ...
A Text-Book of Ordnance And Gunnery: Prepared for the Use of Cadets of the U ...
Bruff, Lawrence L. (Lawrence Laurenson), 1851-1911
The book A Text-Book of Ordnance And Gunnery: Prepared for the Use of Cadets of the U ... was written by author Bruff, Lawrence L. (Lawrence Laurenson), 1851-1911 Here you can read free online of A Text-Book of Ordnance And Gunnery: Prepared for the Use of Cadets of the U ... book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is A Text-Book of Ordnance And Gunnery: Prepared for the Use of Cadets of the U ... a good or bad book?
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Strap. — To cause the blow on the head of the elevating 400 TEXT-BOOK OF ORDNANCE AND GUNNERY. screw, upon firing, to be normal to its axis, and thus avoid bending, the nut b, in which the screw works, is arranged on trunnions between the cheeks of the carriage, and a strap, J, Fig. 214, is attached at one end to the head of the screw c, and at the other to an axis, /, parallel and near to the axis of the trunnions of the gun. In this way the axis of the screw, c, is kept nearly normal to the a...xis of the gun for all elevations. . Elevating Devices— The Toothed Sector— The Leven. The Toothed Sector. — This is used g:enerally in combination with gearing, on the larger guns. It consists (Fig. 215) of a toothed arc, «, bolted to the gun, and acted a— Fig. 215. Fig. 216. on by a gear, b. This gear may be worked directly by a hand-wheel, or more frequently by intermediate gearing. To gain power, and secure small motions, a worm-gear is frequently used. ARTILLERY CARRIAGES^THEORY OF RECOIL.
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