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Scientific American, Vol. 44, No. 3 (1881) (1881)

leaf 4

An illustration from Scientific American, Vol. 44, No. 3 (1881), 1881, leaf 4
ean temperature of the cave. The mercury rose In machine guns the heating of the barrels bas limited the in certain places to 52°, and in others fell to 48°, the varia- tion being probably attributable to atmospheric currents. The built, forming a pretty reservoir of extremely pure and lim. number… … An incredible story is told of ayoung filled from time to time during firing, man from Georgia who was cured of as may be required. The mechanism PARKHURST’S MACHINE CUN. pulmonary disease by dwelling three for rapidly loading and firing is omit- months in a dreary place called the ted in the…

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