Modern chromatics, with applications to art and industry (1879)
Rood, Ogden N. (Ogden Nicholas), 1831-1902 · New York, D. Appleton and Company · leaf 164
udied by the following sim- ple method, contrived by the author : A camera-obscura is placed in a room illuminated by ordinary daylight ; in front of it, at a short distance, is placed a gas-flame or lamp- flame, in such a way that the lens of the camera is capable of forming an image ' of it of… … Fig. 63. — Light from Gas-flame is concentrated by Lens of Camera and falls on Coloured Paper. the top of the camera, and the resultant tint noted. In the experiments made by the author a gas-flame was em- ployed, along with a set of painted disks, representing the principal colours. The disks,…
Color · Painting · Color in art
Internet Archive · Cornell University Library · Public domain (published before 1931). Free to use for anything.
