ry presses, and that arranged above the roller, r, a cutting disk, which The most diverse superpositions and mixtures of solves one of the most interesting problems in printing separates the 8 page parts, one of which descends be- colors, and that, too, without the least admixture and tween the… … etched with a preparation tain a large circulation) four Fig. 1-ROTARY PRESS FOR PRINTING IN COLORS. made by adding a small quan- rotary presses which were ca- pable, all together, of print- tity of phosphoric acid to a gum solution. When a cylinders, E and C, while the other entirely covers the…
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