XEE4411734: Niepce reading to Louis Daguerre lthe description of Heliography, for the fixing of pictures from camera obscura - Nicephore Niepce (1765-1833), French inventor, pioneer of photography reading to Daguerre the description of his method for fixing the images of the dark chamber engraving 19th century, Bianchetti collection., Unknown Artist, (19th century) / Bridgeman Images