From the Collection of the late Dr. Eugene H. Courtiss
HELMHOLTZ, Hermann von. Beschreibung eines Augen-Spiegels zur Untersuchung der Netzhaut im lebenden Auge. Berlin: A. Förstner'sche Verlagsbuchhandlung (P. Jeanrenaud), 1851.
Details
HELMHOLTZ, Hermann von. Beschreibung eines Augen-Spiegels zur Untersuchung der Netzhaut im lebenden Auge. Berlin: A. Förstner'sche Verlagsbuchhandlung (P. Jeanrenaud), 1851.
8o (228 x 140 mm). Engraved plate by Afinger after drawings by Helmholtz. (Some foxing to text.) Original yellow printed wrappers (minor soiling, a few splits at spine); quarter morocco folding case.
FIRST EDITION OF HELMHOLTZ'S ANNOUNCEMENT OF HIS INVENTION OF THE OPHTHALMOSCOPE. This was a by-product of Helmholtz's attempt to demonstrate to his physiology students that when the human eye is made to glow with reflected light, the light emitted from the pupil follows the same course it took in entering. Realizing that if the light could be brought to a focus the details of the retina would be made visible, he invented a device to accomplish this objective. The ophthalmoscope greatly improved the ability of ophthalmologists to diagnose eye disease and revolutionized visual science.
Garrison-Morton-Norman 5866; Grolier Medicine 65; Heirs of Hippocrates 1886; Norman 1041; Waller 4294.
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FIRST EDITION OF HELMHOLTZ'S ANNOUNCEMENT OF HIS INVENTION OF THE OPHTHALMOSCOPE. This was a by-product of Helmholtz's attempt to demonstrate to his physiology students that when the human eye is made to glow with reflected light, the light emitted from the pupil follows the same course it took in entering. Realizing that if the light could be brought to a focus the details of the retina would be made visible, he invented a device to accomplish this objective. The ophthalmoscope greatly improved the ability of ophthalmologists to diagnose eye disease and revolutionized visual science.
Garrison-Morton-Norman 5866; Grolier Medicine 65; Heirs of Hippocrates 1886; Norman 1041; Waller 4294.