— Sir David Brewster’s improved stereoscope applied to photography.
1851. “Photography, a Treatise on the Chemical Changes produced by Solar Radiation, and the Production of Pictures from Nature, by the Daguerreotype, Calotype, and other Photographic Processes,” by Robert Hunt. Published by J. J. Griffin and Co., London and Glasgow.
1852. “Archer’s Hand-Book of Collodion Process.” Published May 14th. Second edition, enlarged; published 1854.
— “Archer’s Collodion Positive Process.” Published July 20th.
— Fox Talbot’s photo-engraving on steel process; patented October 29th.
1853. A Manual of Photography, by Robert Hunt, published.
— Photographic Society of London founded. Sir Charles Eastlake, P.R.A., President; Roger Fenton, Esq., Secretary. First number of the Society’s Journal published March 3rd.
— Cutting’s American patent for use of bromides in collodion obtained June 11th, and his Ambrotype process introduced in America.
— “The Waxed-Paper Process,” by Gustave Le Gray. Translated from the French with a supplement, by James How. Published by G. Knight and Co., Foster Lane, Cheapside.
— Frederick Scott Archer introduced a triple lens to shorten the focus of a double combination lens.