1880. “Principles and Practice of Photography,” by Jabez Hughes, comprising instructions to make and manipulate gelatino dry plates, by J. Werge. London: Simpkin and Marshall, and J. Werge.
— Gelatino-bromide of silver paper introduced by Messrs. Morgan and Kidd.
— Platinotype improvement patent granted.
— Iodides added to gelatino-bromide of silver emulsions by Captain W. de W. Abney.
1880. Warnerke’s sensitometer introduced.
— “The Argentic Gelatino-Bromide Workers’ Guide,” by John Burgess. W. T. Morgan and Co., Greenwich.
— “Photography; its Origin, Progress, and Practice,” by J. Werge. London: Simpkin, Marshall, and Co.
— Hydroquinone developer introduced by Dr. Eder and Captain Toth.
1881. Stannotype process introduced by Walter Woodbury.
— Photographers in Great Britain and Ireland 7,614 as per census returns.