Johnson, George Lindsay, 1853- · London : G. Routledge · leaf 190
PHOTOGRAPHY IN COLOURS I50 The camera is of the box form and fitted with grooves to hold three double-backs, two above and one behind (Fig. 24). The first sensitive plate, F, has a red filter in contact with it, the second, G, a blue filter, both made of patent plate, but the third sensitive plate,… … Fig. 24. — Diagram of path of light iu Butler's Three-plate Camera. both the front and back surfaces of a glass plate reflect light, it would give rise to double images, were it not in some way prevented. Ives got over the difficulty by employing thin wedge-shaped reflectors and covering their…
Color photography
Internet Archive · Gerstein - University of Toronto · Public domain (published before 1931). Free to use for anything.
