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Scientific American, Vol. 73, No. 7 (1895) (1895)
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s first, Fig. 1, the roll} that all the lamps go when the switch is turned on. the paper, placing the sensitive side of the latter in of unexposed paper supported ona shaft on the left} After exposure the paper is wound over a pull roll, {contact with the negatives during the interval of ex- may be… … Above the negative Fig. 3—AUTOMATIC PHOTOGRAPHIC PRINTING—THE DEVELOPING APPARATUS. (Continued on p. 102.) © 1895 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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