Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 359
ontact with the inked type. This is done with much accuracy ofregister, for the impression cylinders gear in such a manner with the restof the parts that their revolutions are synchronous. This is a perfectingmachine, for the paper, after having received the impression on one side,is carried by… … 312 PRINTING MACHINES. ends of short rocking beams, by small oscillations of which the cylindersare alternately brought down upon, or lifted off, the form passing belowthem. A machine of this kind can print 900 impressions per hour, even ofgood book-work, ana for newspaper or other printing, where…
Inventions
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