1883. “The Chemistry of Light and Photography,” by Dr. H. Vogel. London: Kegan Paul.

1884. “Recent Improvements in Photo-Mechanical Printing Methods,” by Thomas Bolas, Society of Arts, London.

— “Picture-Making by Photography,” by H. P. Robinson. London: Piper and Carter.

1885. “Photography and the Spectroscope,” by Capt. Abney, Society of Arts.

— “The Spectroscope and its Relation to Photography,” by C. Ray Woods. London: Piper and Carter.

— “Photo-Micrography,” by A. C. Malley; second edition. London: H. K. Lewis.

1886. Orthochromatic results exhibited by Dixon and Sons at the photographic exhibition in October.

— English patent rights of Tailfer and Clayton’s orthochromatic process secured by B. J. Edwards and Co., Nov. 18th.

1887. Platinotype improvements; two patents.

1888. Pizzighelli’s visible platinotype printing paper put on the market in June.