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 35
11 DISHES OR TRAYS USED FOR SENSITIZING. close to the glass. One side of this pan can be used for sensitizing, and the other for washing, silver prints after having been taken out of the … the paper is left as it is, varnished with Fig. 3. shellac, or saturated with parafine. Trays Made of Wood or of Pasteboard and Lined with India Rubber Cloth are very practicable, light, cheap and easily made. For immersing large sheets of plain, salted paper in the silver salt solution, the author…
Photographic reproduction of plans, drawings, etc · Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
