Model of refractometer invented by Ernst Abbe, 1869.

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Size: 4180px × 4180px
Photo credit: © Dorling Kindersley/UIG/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1869, 19th, abbe, background, century, close-, detail, equipment, ernst, fashioned, historical, history, image, instrument, invention, measurement, object, optical, people, refraction, refractometer, science, shot, single, square, studio, style, white