Abel Niepce de Saint-Victor
Encyclopedia
Claude Félix Abel Niépce de Saint-Victor (26 July 1805, Saint-Cyr, Saône-et-Loire
Saint-Cyr, Saône-et-Loire
Saint-Cyr is a commune in the Saône-et-Loire department in the region of Bourgogne in eastern France.-References:*...

 - 7 April 1870) was a French
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 photographic
Photography
Photography is the art, science and practice of creating durable images by recording light or other electromagnetic radiation, either electronically by means of an image sensor or chemically by means of a light-sensitive material such as photographic film...

 inventor. An army lieutenant and cousin of Nicéphore Niépce
Nicéphore Niépce
Nicéphore Niépce March 7, 1765 – July 5, 1833) was a French inventor, most noted as one of the inventors of photography and a pioneer in the field.He is most noted for producing the world's first known photograph in 1825...

, he first experimented in 1847 with negative
Negative (photography)
In photography, a negative may refer to three different things, although they are all related.-A negative:Film for 35 mm cameras comes in long narrow strips of chemical-coated plastic or cellulose acetate. As each image is captured by the camera onto the film strip, the film strip advances so that...

s made with albumen on glass
Glass
Glass is an amorphous solid material. Glasses are typically brittle and optically transparent.The most familiar type of glass, used for centuries in windows and drinking vessels, is soda-lime glass, composed of about 75% silica plus Na2O, CaO, and several minor additives...

, a method subsequently used by the Langenheim brothers for their lantern
Lantern
A lantern is a portable lighting device or mounted light fixture used to illuminate broad areas. Lanterns may also be used for signaling, as 'torches', or as general light sources outdoors . Low light level varieties are used for decoration. The term "lantern" is also used more generically to...

 slides. At his laboratory near Paris
Paris
Paris is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...

, Niépce de Saint-Victor worked on the fixation of natural photographic colour as well as the perfection of his cousin's heliographic process for photomechanical
Photomechanical Effect
The photomechanical effect is the change in the shape of a material when it is exposed to light. The photomechanical effect was first documented by Alexander Graham Bell in 1880...

 printing. His method of photomechanical printing, called heliogravure, was published in 1856 in Traité pratique de gravure héliographique. In the 1850s he also published frequently in La Lumière
La Lumiere
Lumiere was a mixed-use skyscraper development in Leeds, West Yorkshire, England, intended to be completed in 2010. The project was put on hold in 2008 and officially cancelled in 2010.- Design and planning :...

.
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