London: A. W. Penrose & Co 1904. 148, xxxii (ads) pages. 8vo. Publisher's red cloth gilt. Includes the often missing 4 x 2 1/2 inch Penrose colour scales in rear pocket (one four-page folding and one loose card). Dampstaining to lower corner and rear board. Lacks front flyleaf. Wonderful advertisements in the rear for many photographic items. Clean internally, a good working or reading copy. Good. Cloth. 
Contains two major parts - Light and Colour, Theory and Practice of Three-Colour Printing. A German edition was published in 1897 and was "the first work which entered into all details concerning Three-Colour Photography."
"Although excellent handbooks on Colour Photography have been written in English, they hardly touch the limits of that important branch of indirect colour photography - three-colour printing." (the translator, himself a practitioner)