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Scientific American, Vol. 12, No. 1 (September 13, 1856) (1856)

leaf 8

An illustration from Scientific American, Vol. 12, No. 1 (September 13, 1856), 1856, leaf 8
is absorbed that its manufacture that Ido not know. A succession of crops safety valves are supposed to be loaded to 50 was found to be very injurious to the health might be easily arranged so as to insure cut- lbs. per inch. The new valve consists of a The most extensively circulated, the most… … TERMS OF SUBSCRIPTION—§$2 a year, or $1 forsix steam-tight piston, having metallic packings, abundant. The steamer Jdlinois arrived at this prove to be the source from whence our coun- months. port on the 29th ult., with one million and a the piston being exposed to the action of the try will be…

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