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Scientific American, Vol. 17, No. 23 (1867) (1867)

leaf 3

An illustration from Scientific American, Vol. 17, No. 23 (1867), 1867, leaf 3
al work on both sides. To run two of these presses requires by adopting them, be enabled to throw away their present Printer, in which he shows that it would require eighteen of the employment of twenty men as “feeders.” Their wages cumbersome presses as old iron, and make a very large an- the… … its passage a number of eral illustrations of Mr. jet fountains are so ar- Bullock’s inventions. In his Self-feeding and Perfecting Machine the paper is supplied to the press in the form of a large roll, A, contain- ing enough to make several thousands of newpapers. B are the type cylinders, on…

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