SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Photographic industry. Production line for the manufacturing of photographic emulsion plates. The emulsions used in photography consist of light-sensitive chemicals mixed on an underlying base. When exposed to light in a camera, latent images are formed that can be developed by applying chemicals to fix and reveal the images. The resultant negative is used to produce photographic prints. Artwork from the eighth volume (second period of 1891) of the French popular science weekly 'La Science Illustree'.
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