United States Naval Institute Proceedings, Томови 3-4U.S. Naval Institute, 1877 |
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... INCH M. L. RIFLE . By Lieutenant Duncan Kennedy , U. S. N. , NAVIGATION , A. D. 1594. By Lieutenant Commander Allan D. Brown , U. S. N. , 57 · PRESERVATION OF WOOD . By Professor Charles E. Munroe , U. S. N. A. , 73 GENERAL DESCRIPTION ...
... INCH M. L. RIFLE . By Lieutenant Duncan Kennedy , U. S. N. , NAVIGATION , A. D. 1594. By Lieutenant Commander Allan D. Brown , U. S. N. , 57 · PRESERVATION OF WOOD . By Professor Charles E. Munroe , U. S. N. A. , 73 GENERAL DESCRIPTION ...
Страница 25
... inch converted rifle , the United States Navy has taken its first decided step in the practical development of a system of rifled ordnance ; and it becomes a matter not only of interest but of the greatest importance to all naval ...
... inch converted rifle , the United States Navy has taken its first decided step in the practical development of a system of rifled ordnance ; and it becomes a matter not only of interest but of the greatest importance to all naval ...
Страница 26
... inches . Although of the 16 c . m . calibre , these guns were cast to the dimensions of the service 22 c . m . smooth - bore ; that is , they were not unlike the old 68 pound- ers , with 32 pounder bores . The twist of the rifling was ...
... inches . Although of the 16 c . m . calibre , these guns were cast to the dimensions of the service 22 c . m . smooth - bore ; that is , they were not unlike the old 68 pound- ers , with 32 pounder bores . The twist of the rifling was ...
Страница 30
... inch rifle . Since with breech loaders it became necessary to use great care against pre- mature discharge and ... inches . In 1865 , Mr. Parsons , an Eng- lishman , submitted a plan to the French government for strengthening guns by ...
... inch rifle . Since with breech loaders it became necessary to use great care against pre- mature discharge and ... inches . In 1865 , Mr. Parsons , an Eng- lishman , submitted a plan to the French government for strengthening guns by ...
Страница 32
... inches of iron at one thousand yards . Their request was acceded to , and the army are now making the final experi ... inch and sixty - eight pounders were immediately rifled but not strengthened and sent to the front . It had been ...
... inches of iron at one thousand yards . Their request was acceded to , and the army are now making the final experi ... inch and sixty - eight pounders were immediately rifled but not strengthened and sent to the front . It had been ...
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