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Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 357
^4© TiMiwi — c c Fig. 152.—Diagram of Applegath ajtd Cowpers Perfecting Machine, Fig. 152 is a similar diagram, to show the action of the double or per-fecting printing machine, in which the sheets are printed on both sides. Itwill be observed that the general arrangement of impression cylinder, … Fig. 153.—Cowper^s Dotible Cylinder MacJiine. rollers, &c., is represented in duplicate, but reversed in direction. Thereare also two cylinders, B B, the purpose of which, as may be gathered froman inspection of the diagram, is to reverse the sheets of paper, so that afterone side has been…Inventions
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