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Scientific American, Vol. 91, No. 3 (1904) (1904)

leaf 9

An illustration from Scientific American, Vol. 91, No. 3 (1904), 1904, leaf 9
ious expositions, the present light to the sensitive plate, was secured to the front grounds at the St. Louis Fair are laid out on a scale piece of the camera, in place of a lens, and the exposure of magnificence which renders them certainly the most made in the regular manner. Pictures thus made… … moth allegorical statues, representing the four- is due to the fact that it is of universal focus teen States included in the Louisiana Purchase. —the rays focusing in the stop; the perspec- A LENSLESS OR PINHOLE CAMERA. The face of the hillside fronting the Industrial tive is true, no part of the…

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