-- "Tannin Process," published by Major Russell. -- "Popular Treatise on Photography," by D. Van Monckhoven. Translated from the French by W. H. Thornthwaite, London. 1864. Swan's improved carbon process; patented August 27th. -- "Collodio-Bromide Emulsion," by Messrs. B. J. Sayce and W. B. Bolton; published September 9th. -- "Collodio-Chloride Emulsion," by George Wharton Simpson; published in _The Photographic News_, October 28th. -- Willis's aniline process; patented November 11th. -- 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. -- Photography reviewed, in _British Quarterly Review_, by George Wharton Simpson, October 1st. 1867. M. Poitevin obtained the balance of the Duc de Luynes's prize for permanent printing. -- Cabinet portraits introduced by F. R. Window, photographer, Baker Street, London. 1868. W. H. Harrison experimented with gelatino-bromide of silver and obtained results, though somewhat rough and unsatisfactory. 1869. John Robert Johnson's carbon process double transfer patented. -- "Pictorial Effect in Photography," by H. P. Robinson, first edition. London: Piper and Carter. 1870. Thomas Sutton described Gaudin's gelatino-iodide process. -- Jabez Hughes toned collodion transfers with chloride of palladium. -- John Robert Johnson's single transfer process for carbon printing patented. 1871. Dr. R. L. Maddox, of Southampton, published his experiments with gelatino-bromide of silver in the _British Journal of Photography_, September 8th. 1872. "Émaux Photographiques" (photographic enamels), second edition, by Geymet and Alker, Paris. 1873. J. Burgess, of Peckham, advertised his gelatino-bromide of silver emulsion, but it would not keep, so had to be withdrawn. -- Ostendo non Ostento published a gelatino-bromide of silver formula with alcohol. -- Platinotype process patented by W. Willis, junior, June 1st. 1873. R. Kennett's gelatino-bromide of silver pellicle patented November 20th. -- "The Ferrotypers' Guide" published by Scovill Manufacturing Company, New York. 1874. R. Kennett issued his gelatino-bromide of silver dry plates in March.