Bragg, William Henry, The universe of light, by Sir William Bragg ... - London, G. Bell & Sons ltd., 1933. - x p., 1 l., 283 p. col. front., illus., plates (1 col.) diagrs. 23 cm. Each of the two colored plates accompanied by guard sheet with descriptive letterpress. Subjects--Topical Terms: Color.Light. Dewey Class. No.: 535 / BRA