Science and salvage, from the German "Verwertung des Werlosen." Editor: Claus Ungewitter. Translated by L. A. Ferney and G. Haim, with an introduction by Dr. E. Frankland Armstrong.
"'Verwertung des Wertlosen' was published in Berlin in 1938, and consisted of a series of treatises published in 'Die Chemische industrie'."-Publisher's note.
