— Obernetter’s chromo-photo process; published.

— Instantaneous dry collodion processes by Thomas Sutton, B.A. Sampson, Low, Son, and Marston, London.

1865. Paper read on “Collodio-Chloride Emulsion,” by George Wharton Simpson, at the Photographic Society, March 14th.

1865. Photography, a lecture, by the Hon. J. W. Strutt, now Lord Rayleigh, delivered April 18th; and afterwards published.

— Eburneum process; published by J. Burgess, Norwich, in The Photographic News, May 5th.

— Bromide as a restrainer in the developer; published by Major Russell.

1865. Interior of Pyramids of Egypt, photographed by Professor Piazzi Smyth with the magnesium light.

— W. H. Smith patented a gelatino-bromide or gelatino-chloride of silver process for wood blocks, &c.

1866. Magic photographs revived and popularised.

— Woodburytype process patented by Walter Bentley Woodbury, of Manchester, July 24th.