Printing; a textbook for printers' apprentices, continuation classes, and for general use in schools (1917)
Henry, Frank Souder, 1867- · New York, John Wiley & sons, inc.; [etc., etc.] · leaf 237
shell type, in which the platen rocks up against the bed (Figs.134 and 13s); the other, known as the sliding platen, in whichthe platen is first placed parallel with the bed and then drawnup against it (Fig. 136). The latter method is the better one. 193. The Bed.—The bed of a printing-press is the… … Fig. 136.—John Thomson Press, Model J. rigid. While no adjustment of the bed is ever required, it is very important to see that the form is safely locked against it. 194. The Platen.—Inasmuch as the platen is the part against which the impression is taken, means must be provided PRESSWORK 223 for…
Printing
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