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Popular science monthly . ulsivejerks of the typical tyro, nor yet theslow poky aim of other tyros. Practiceat home, first. From any of the big powder or am-munition or gun companies you will begiven printed matter on how to organizea gun club, on how the purses in tourna-ments are split, where to find yournearest club if you do not know whereit is, and all the small points of the game. Anotlier illustrated article on trap-shooting by —Hunting the ^Nltid Pigeon, it is called—will appear in tlie Octoher issue.—Editor. A Modem War Relic THERE are few towns in the easternhalf of the Un
Popular science monthly . ulsivejerks of the typical tyro, nor yet theslow poky aim of other tyros. Practiceat home, first. From any of the big powder or am-munition or gun companies you will begiven printed matter on how to organizea gun club, on how the purses in tourna-ments are split, where to find yournearest club if you do not know whereit is, and all the small points of the game. Anotlier illustrated article on trap-shooting by —Hunting the ^Nltid Pigeon, it is called—will appear in tlie Octoher issue.—Editor. A Modem War Relic THERE are few towns in the easternhalf of the United States that can-not boast of at least one antiquatedcannon ball, a relic of the RevolutionaryWar or of the Civil War; but Quantico,Va., is perhaps the only communitythat can boast ofa modern fourteen-inch steel projectilethat fell in itsmidst. Quantico is aboutten miles below andon the opposite sideof the PotomacRiver from IndianHead, Md., wherethe United StatesNavy tests the bigguns for battle-ships. To deter-. This Steel Projectile Killed a Cow and mine their penetrating qualities, shellsare fired at armor plate set up be-fore a sand bank several -hundredfeet from the guns, but when testsare made to study the performance ofthe firing and recoil mechanism theguns are elevated so as to drop theirshells in the middleof the PotomacRiver,se\eral milesbelow. Fast motorboats patrol theriver to keep ves-sels out of range. Quite often theshells hit the waterat an angle whichcauses them toskip. A shorttime ago the skip-per shown landedin Quantico. eighs Houses Smoothing Sidewalks by Machine AN outfit for roughing stone side-/A walks has been perfected andplaced on the market by anIllinois company. It consists of an air-cooled air-compressor dri\en by a gas-oline engine mounted on a light steeltruck. The com-pressor is a \er-tical, air-cooled,oil-splash lubri-cated machineconnected to theengine by a coup-ling. The com-pressor valves are
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1872