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Scientific American, Vol. 50, No. 6 (1884) (1884)

leaf 7

An illustration from Scientific American, Vol. 50, No. 6 (1884), 1884, leaf 7
nd from the exposed sheet, thereby decreasing and it was one of the rarest things in the world for a man really in a dry state, is always ready for use, and will retain its enlarging the vignetting circle. In this way the beautiful to be able to see a thing properly. But he did not know… … lens, is held in the slide in an inverted position, saw such a figure they were perfectly certain that and is slid into the grooved frame upon the the individual who drew it represented exactly exterior side of the partition, as shown. This what he saw. ‘Yet those drawings were origin- produced.…

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