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Scientific American, Vol. 70, No. 3 (1894) (1894)

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An illustration from Scientific American, Vol. 70, No. 3 (1894), 1894, leaf 0
realistic way upon the! optical system should be accurately constructed, and irregularity in screen, still an object of wonder and adiniration to| the various parts of the apparatus should be inter- the consump- both those who have seen the original and those who/| changeable throughout and so… … page 40.) © 1894 SCIENTIFIC AMERICAN, INC

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