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Harper's Encyclopedia of United States History (ed. Benson Lossing) 2 0 Browse Search
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Browsing named entities in Harper's Encyclopedia of United States History (ed. Benson Lossing). You can also browse the collection for D. M. Mefford or search for D. M. Mefford in all documents.

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Harper's Encyclopedia of United States History (ed. Benson Lossing), Cannon, (search)
of active warfare in the battle of Bull Run, July 21, 1861. Gatling rapid-firing gun, from five to ten barrels around one common axis; tenbarrel Gatling discharges 1,200 shots a minute; range, 3,000 yds.; invented in 1861. S. B. Dean, of South Boston Iron Company, patents a process of rough boring bronze guns and forcibly expanding the bore to its finished size by means of mandrels, 1869. Pneumatic dynamite torpedo-gun built and mounted at Fort Lafayette (founded on invention of D. M. Mefford, of Ohio), 1885. Congress makes an appropriation for the establishment of a plant for gunmaking at the Watervliet arsenal, West Troy, 1889. Manufacture of heavy ordnance begun at the Washington navy-yard, 1890. Hotchkiss gun, English make, five barrels, revolving around a common axis, placed upon block weighing about 386 tons, fires thirty rounds a minute; adopted by the United States in 1891. Automatic rapid-firing gun, invented by John and Matthew Browning, of Ogden, Utah;