Online Encyclopedia

Search over 40,000 articles from the original, classic Encyclopedia Britannica, 11th Edition.

CLAUDET, ANTOINE FRANCOIS JEAN (1797-...

Online Encyclopedia
Originally appearing in Volume V06, Page 463 of the 1911 Encyclopedia Britannica.
» Make a correction to this article.
» Add information or comments to this article.
Spread the word: del.icio.us del.icio.us it!

See also:

CLAUDET, See also:ANTOINE See also:FRANCOIS See also:JEAN (1797-1867) , See also:French photographer, was See also:born at See also:Lyons on the 12th of See also:August 1797. Having acquired a See also:share in L. J. M. See also:Daguerre's invention, he was one of the first to practise daguerreotype See also:portraiture in See also:England, and he improved the sensitizing See also:process by using See also:chlorine in addition to See also:iodine, thus gaining greater rapidity of See also:action. In 1848 he produced the photographometer, an See also:instrument designed to measure the intensity of photogenic rays; and in 1849 he brought out the focimeter, for securing a perfect See also:focus in photo-graphic portraiture. He was elected a See also:fellow of the Royal Society in 1853, and in 1858 he produced the stereomonoscope, in reply to a See also:challenge from See also:Sir See also:David See also:Brewster. He died in See also:London on the 27th of See also:December 1867.

End of Article: CLAUDET, ANTOINE FRANCOIS JEAN (1797-1867)

Additional information and Comments

There are no comments yet for this article.
» Add information or comments to this article.
Please link directly to this article:
Highlight the code below, right click, and select "copy." Then paste it into your website, email, or other HTML.
Site content, images, and layout Copyright © 2006 - Net Industries, worldwide.
Do not copy, download, transfer, or otherwise replicate the site content in whole or in part.

Links to articles and home page are always encouraged.

[back]
CLAUDE, JEAN (1619-1687) 		[next]
CLAUDIANUS, CLAUDIUS

Site © 2006 - Net Industries