even proposes to The first wash is preferably put on while the slide is alum of the strength commonly used for preventing held in an inverted position, and while it is still flow- frilling, the plate being afterward thoroughly washed. ing the blue is added for the sky, at first very light This… … LANTERN SLIDE COLORING, water. Some eaution is re- quired to prevent the film side of top of the slide. After this wash is set and superfluous water has evaporated, the water accumulating along the slide from becoming wet. A small quantity of water absorbed the lower edge of the plate is removed…
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