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Harper's Encyclopedia of United States History (ed. Benson Lossing) 6 0 Browse Search
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Harper's Encyclopedia of United States History (ed. Benson Lossing), Cannon, (search)
ots in one minute and forty-nine seconds; adopted by the United States in 1896. Zalinski's dynamite gun, calibre 15 ins.; throws 500 lbs. of explosive gelatine 2,100 yds.; also discharges smaller shells. Three of the guns of this class were used with tremendous effect by the United States dynamite cruiser Vesuvius at the bombardment of Santiago de Cuba in 1898, and larger ones have been installed at Fort Warren, Boston; Fort Schuyler, N. Y.; Fort Hancock, N. J., and at San Francisco. Graydon dynamite gun, calibre 15 ins.; using 3,000 lbs. of compressed air to the square inch; throws 600 lbs. of dynamite 3 miles. Armstrong gun, calibre 6 ins.; weight of shot, 69.7 lbs.; of powder, 34 lbs.; pressure per square inch, 31,000 lbs. Hurst, double-charge gun, same principles apply as in the Armstrong and Haskell guns. Brown wire-wound gun, made in segments; kind authorized by Congress, 37 1/2 ft. long; weight, 30,000 lbs. Maxim-Nordenfeldt quick-firing gun; lowest weight, 2
Harper's Encyclopedia of United States History (ed. Benson Lossing), Graydon, Alexander 1752-1818 (search)
Graydon, Alexander 1752-1818 Author; born in Bristol, Pa., April 10, 1752; studied law; entered the Continental army in 1775; was captured in the engagement on Harlem Heights and imprisoned in New York, and later in Flatbush; was paroled and in 1778 exchanged. He was the author of Memoirs of a life, chiefly passed in Pennsylvania, within the last sixty years, with occasional remarks upon the general occurrences, character, and spirit of that eventful period. He died in Philadelphia, Pa., May 2, 1818.
Harper's Encyclopedia of United States History (ed. Benson Lossing), Graydon, William -1840 (search)
Graydon, William -1840 Lawyer; born near Bristol, Pa., Sept. 4, 1759; brother of Great Bridge. Alexander Graydon; studied law; removed to Pittsburg, where he began practice. In 1794-95 he was a prominent leader in the Mill-dam troubles. He published a Digest of the laws of the United States; Forms of Conveyancing and of practice in the various courts and public offices, etc. He died in Harrisburg, Pa., Oct. 13, 1840.