598 CYLINDER MACHINES. as the rest of it must not he in contact with the forme as it revolves it is pared down to clear the forme on the return of the carriage, so that the cylinders are not true cylinders in … the mathematical sense. Between the two cylinders, and in order to regulate the track of the sheet, are two smaller drums, against which the tapes work, and these drums re¬ verse the sheet, which is run out by tapes on to a taking-off
Printing · Color printing
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