Photographic optics and colour photography [electronic resource] : including the camera, kinematograph, optical lantern, and the theory and practice of image formation (1909)
Johnson, G. Lindsay (George Lindsay), 1853-, Parsons, John Herbert, Sir, 1868-1957, donor, University College, London. Library Services · London : Ward & Co. · leaf 251
PLATE VIII. Primary colours. Diagram, showing the effect of superposition of " Subtractive " Colours, as explained on p. 222 [To face p. 222.