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Scientific American, Vol. 36, No. 20 (1877) (1877)
leaf 7
Ohio. lower end, C, of the shank of jaw, B, is tapered to form a outlet valves are very large, they require but a slight motion to admit or release the air, consequently the machines may 0 screwdriver. When this portion is in use, the single jaw is be run at a high rate of speed, from 175 to 200… … it escapes the lips and nostrils it ascends to the higher re- gions, above the breathing point, there to be rectified, reno- Patent pending through the Scientific American Patent from deep wells at a small expenditure of power. inventors, Messrs, States & Cook, Topeka, Kansas, © 1877 SCIENTIFIC…Internet Archive · Public domain (published before 1931). Free to use for anything.
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