Printing : a practical treatise on the art of typography as applied more particularly to the printing of books (1904)
Jacobi, Charles Thomas · London : G. Bell & Sons · leaf 346
track; by thismeans the unprinted side of the sheet can be printed in turn.The sectional drawing of the machine, fig. 168, now shownwill exhibit its working. The reference marks given arenecessary for the proper understanding of the parts not onlyof this machine but for some of those of the rotary… … o O 03WQ to 316 PRINTING The different varieties of actions used for perfectingmachines are of three characters, and are described below: The Web.—Each sheet is laid separately to back-markson to a series of tapes, and is carried forward. This class ofmachine is consequently slower in production,…
