Handbook of the practice and art of photography (1875)
Vogel, Hermann Wilhelm, 1834-1898, Molling, Edward F · Philadelphia, Benerman & Wilson · leaf 384
he same result by raising, next to the person, P, a single curtain, 0 0 (Fig. 152). The different parts of the back- ground, H, appear unequally illuminated, b, for instance, although the glass side is nearer to it, appears darker than a, as is explained by the angles of light indicated in the… … An excellent medium to produce a background, being light on the shadow and dark on the light side, is the funnel-shaped background of the celebrated photographer, Kurtz, in New York. This is round, of a funnel shape, about four feet broad (H, Fig. 153, and Fig. 155, A and B), being two and a half…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
