Alphonse-Louis Poitevin (1819-1892),French chemist,photographer and civil engineer whose interest in photography arose from the publication of the Daguerreotype process. The basis of his research was to devise a system of producing multiple images from a single exposure. He made a major contribution in the development of photolithography,introducing a system based on bichromated gelatine in 1855 which he patented and started a small photolithographic printing firm in Paris producing plates for several publications. He also patented the collotype process | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Terry, Sheila |
Bildgröße: | 3794 px × 4827 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |