Practical photography : being the science and art of photography, developed for amateurs and beginners (1881)
Wheeler, Owen, 1859-1932 · London : "The Bazaar" Office · leaf 29
te a third time and let the surplus run off from the corner D into the mouth of the bottle held to receive it in the right hand as before. As the surplus collodion flows back into the bottle, rock the plate slightly to prevent the thin film which remains from setting in ' ' crapy ' ' lines upon the… … Fig. 3. Pouring on Collodion. If the collodion be poured from any but a " cometless " bottle, before pouring, the finger should be passed round the mouth to clear away the refuse which has, from the speedy evaporation of the ether, set round it either since the last pouring or during the decanting…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
