Pringle, Andrew · New York : Scovill & Adams Company of New York · leaf 28
light from intervening between negative and lens, except such light as has passed through the former. Between A. and B., then, an opaque cloth may stretch, supported if necessary on standards. Or a box with the ends knocked out may suffice. A handy carpenter can make an arrangement such as Fig. 1… … The arrangement, as will be seen at once, consists of two cameras stuck face to face ; the cut (Fig. 2) shows all the
Slides (Photography)
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
