Facsimile reprints of four important publications. Part of the Literature of photography series. Includes C. N. Bennett, Elements of photogravure, 1927 (Roosens & Luc Salu 8249) A. Maskell & R. Demachy, Photo-aquatint or the gumbichromate process, 1897 (Roosens & Luc Salu 7915) F. J. Mortimer & S. L. Coulthurst, The oil and bromoil process, 1909 (Roosens & Luc Salu 7593) Capt. G. Pizzighelli & Baron A. Hubl, Platinotype, 1886 (Roosens & Luc Salu 8637)