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Scientific American, Vol. 27, No. 14 (October 1872) (1872)

leaf 1

An illustration from Scientific American, Vol. 27, No. 14 (October 1872), 1872, leaf 1
as long as the to such parts of the work as can be done by hand; other por- As soon as a printer has completed the work assigned to valve remains dosed in the feed pipe of the boiler, or as long as him, he hands it, made up in "books" of 100 impressions, tions, such as the scrolls and elaborate… … Mass., informs us that Mr. Herman Hirsch, whose screw of levers actuated by the foot, so as to give the tremendous But as soon as a feed valve is opened, the pressure being re- propeller is used on the vessels of the Transatlantic Steam- pressure of twenty-one tuns on a single line. A cylinder or…

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