The three-colour printing process
Subtitle: by means of half-tone typographic blocks. With instructions for using E. Sanger Shepherd's measured colour filters
Series: Penrose pocket books ; v no. 4
Publisher: Penrose & Co.
Published: 1900
Place of publication: London; Paris
Language: eng
Subjects: Color photography; Three-color process
Notes: Printer: The Country Press, Percy Lund Humphries & Co., Ltd., Bradford & London.