Nieps permanently fixed image from nature in the successful experiments .1827 years. " This picture was aire, 1952 Xun Jie Ximu and others find that their children according to the letter Nieps materials, the time was revised to 1826. Nieps back to France to be a physicist Daguerre support. then two collaborative research, so that photography was further improved. in 1839 when Daguerre announced his invention of photography, although acknowledged that he has elapsed Nieps provider of the original concept, but only a few words, which makes Francis . Kaneyoshi feel very unfair, so write "literary" magazine, published what he knew Nieps invention. Therefore, Daguerre the French Government to grant an annuity of 600 francs, the son of Nieps also because of his father's invention was 400 francs in an annuity.

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