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Scientific American, Vol. 81, No. 15 (1899) (1899)

leaf 9

An illustration from Scientific American, Vol. 81, No. 15 (1899), 1899, leaf 9
o which the cess, to obtain positives on glass in natural colors, in the dark, being pinned against a board. As in this image has been printed, and second, upon the degree these being especially interesting for lantern slide pro- process the bromide of silver in the plate is a second- of saturation… … THE WILD WOMAN OF SAN NICOLAS. of sulpho-green and strong; it is then one part of naphthol easy to correct this yellow are taken, and for the violet two parts of methy- an ordinary lamp, but when the film is dry it should by making a new positive to replace one of these, es- line blue and two parts…

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