alb9046888

Hermann Ludwig Ferdinand von Helmholtz, 1907. Helmholtz (1821-1894), German physicist and physiologist, inventor of the ophthalmascope (1850), was distinguished in a number of fields including mathematics and mathematical and experimental physics. Obverse of a commemorative medal struck to mark the International Physiological Congress in 1907.

Hermann Ludwig Ferdinand von Helmholtz, 1907. Helmholtz (1821-1894), German physicist and physiologist, inventor of the ophthalmascope (1850), was distinguished in a number of fields including mathematics and mathematical and experimental physics. Obverse of a commemorative medal struck to mark the International Physiological Congress in 1907.
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Hermann Ludwig Ferdinand von Helmholtz, 1907. Helmholtz (1821-1894), German physicist and physiologist, inventor of the ophthalmascope (1850), was distinguished in a number of fields including mathematics and mathematical and experimental physics. Obverse of a commemorative medal struck to mark the International Physiological Congress in 1907.
Crédit:
Album / World History Archive
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Taille de l'image:
6000 x 5875 px | 100.9 MB
Taille d'impression:
50.8 x 49.7 cm | 20.0 x 19.6 in (300 dpi)
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