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 70
being firmly secured in the other.The arrangement is entirely different on the Napier. Theplaten-head, which is cast in one large piece, is supportedby means of two powerful rods (l), one on either side.Below the top of the side-frame each of these rods isdiverted, as it were, so as to form an… … Fig. 25.—Napiers Knuckle Joint. By this simple but powerful motion, the strain or jar thatis so frequent in the other platen is altogether avoided. In order to steady and assist the platen in rising afterhaving given the impression, a heavy weight (n), extendingacross the machine, is secured to two…
Printing machinery and supplies
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