American Microscope Makers
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Photographs of the Interior of the Eye

From The Scientific American, 1862

At the February meeting of the American Photographical Society, Dr. Henry D. Noyes exhibited a negative showing the optic nerve and interior of a rabbit's eye. The impression was obtained by a newly invented instrument devised by himself and Mr. Grunow, a practical optician. Such a photograph has never been obtained before in this country, although it is said to have been done in France. The interior of the eye, namely, the retina and optic nerve, has been disclosed to observation in the living person, by an instrument invented in Germany, called the ophthalmoscope. This has been in use for ten years, but it is only now that the interior of the eye has been photographed. Dr. Noyes explained the working and principles of the new ophthalmoscope, by the aid of diagrams and the presentation of the instrument itself. Through it, diseases of the eye can be studied with greater facility and scientific records of them kept. The instrument displayed, in its elegant and finished workmanship, the highest mechanical skill. The discourse of the doctor was listened to with close attention, and the audience expressed their approbation by applause.

J.& W. Grunow other microscope makers

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