Modern heliographic processes : a manual of instruction in the art of reproducing drawings, engravings, manuscripts, etc., by the action of light : for the use of engineers, architects, draughtsmen, artists, and scientists (1888)
Lietze, Ernst · New York : Van Nostrand · leaf 38
14 MODERN HELIOGRAPHIC PROCESSES. which is supported by the endless cloth, and, in this manner, the paper is kept under tension and moved forward. The rollers are driven, one from the other, by means of gear-wheels, and are set in motion by the fly-wheel I, which is fastened to the shaft of the… … Fig. 8. Fig. 11. Fig. 9. turned. The fountain roller T is tjj covered with felt, and applies the sensitizing solution to the paper. The paper, leaving the endless cloth, passes over a number of rollers (not shown in the figures), and is finally dried upon laths. The ratio of the gearing is so…
Photographic reproduction of plans, drawings, etc · Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
