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December 25, 1897


JAMA. 1897;XXIX(26):1320-1321. doi:10.1001/jama.1897.02440520030007

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It is not very long since there was reported in the daily papers that a Washington professor, apparently not connected with any of the scientific Government bureaus, had made some remarkable discoveries in microscopic technique which were likely to revolutionize our method and greatly enlarge our range of microscopic vision. His own account of his achievements is contained in the two latest issues of the New York Medical Times and is of a character to perhaps deserve notice if not unqualified belief. He claims, amongst other things that by inserting the objective of one microscope into the place for the eye piece of another he is able to increase the magnification of objects to a most wonderful extent; that he is able to photograph with an infinitesimal amount of light, less than the one-hundred thousandth part of that formerly necessary; that he can make sections the thickness of one-hundredth of

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