Fyrth H J Hubert Jim Science, history and technology. Book 2, Part II, The age of uncertainty : the 1880s to the 1940s / by H.J. Fyrth and Maurice Goldsmith. - London : Cassell, 1969. - x, 138 p., [4] p. of plates : ill. ; 22 cm. ISBN: 030493309X Subjects--Topical Terms: Science--History--19th century LC Class. No.: Q127 Dewey Class. No.: 509.041