The principles and progress of printing machinery (1900)
Southward, John, 1840-1902, Wilson, Frederick John Farlow. Account of modern printed machine · London : E. Menken · leaf 87
Fig. 34.—Rocking Frame.H, Spring. E, Continuation of Cylinder-frames. As the rocking-frame is made in one piece, it necessarilyfollows that the contrary motion cf the cylinders must be PRINTING MACHINERY. 8s simultaneous, Le.^ as it rocks to enable one cylinder toascend, the same motion forces down…
Printing machinery and supplies
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