Daguerreotype Half-plate Portrait Of Constantine By Rolland De Blomac

Portrait of Constantin de Rolland de Blomac, born May 20, 1790 in Marseille and died in Carcassonne on May 20, 1850, by Charles Fergeau (1815-1877) daguerreotypist at 47, rue Vivienne at the Palais-Royal, Paris. Very popular address for professionals. - Image on view 11x15 cm - Frame 17x21.5cm The daguerreotype is the first photographic process developed by Nicéphore Niépce then Louis Daguerre and offered to the whole world (except in the United Kingdom) by France in 1839. It is at the both a negative and a positive hence this characteristic mirror effect. In the 19th century they were also poetically called “the mirrors that remember”. Given the cost and technical difficulties, it will only be used for around ten years in France and will be replaced by other processes. However, there are late daguerreotypes, particularly American or Anglo-Saxon. https://www.lavalisearlesienne.com/product-page/daguerr%C3%A9otype-demi-plaque