The grammar of lithography : A practical guide for the artist and printer in commercial & artistic lithography, & chromolithography, zincography, photo-lithography, and lithographic machine printing. (1880)
Richmond, W. D · London : Wyman & Sons · leaf 40
fixed at the ends, and loaded in the middle, butthe pressure being from below, the greater quantity ofmaterial must be applied to the opposite side. disc attached to a shaft, but having its centre at a small distance fromthat of the axis of the shaft. Though called eccentrics by printers,chese… … 24 THE GRAMMAR OF LITHOGRAPHY. 36. The Pressure Screw has at its lower extremity aflange which works in a small socket screwed to the upperside of the scraper box, which is thus hung to the screw.Its upper end is hexagonal, and usually carries the 37. Press Key, K, whose ends are formed into…
Lithography · Engraving
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