Edited by GUY D. BENGOUGH, M.A., D.Sc.

An Introduction to the Study of Fuel. F. J. Brislee, D.Sc. With many Illustrations. New Edn. 9/6 net. ([See p. 14.])

The Chemistry of Dyeing and Bleaching of Vegetable Fibrous Materials. Julius Hübner, M.Sc. Tech., F.I.C. Demy 8vo. Illustrated. 20/- net. ([See p. 44.])

The Chemistry of the Rubber Industry. Harold E. Potts, M.Sc. Demy 8vo. 7/6 net. ([See p. 43.])

Iron and Steel. An Introductory Text-Book for Engineers and Metallurgists. O. F. Hudson, M.Sc., A.R.C.S., and Guy D. Bengough, M.A., D.Sc. Demy 8vo. Illustrated. 8/- net. ([See p. 18.])

The Chemistry of the Oil Industries. J. E. Southcombe, M.Sc., F.C.S. Demy 8vo. Illustrated. 9/- net. ([See p. 43.])

Cement, Concrete and Bricks. A. B. Searle. Demy 8vo. Illustrated. 10/6 net. ([See p. 43.])

Other Volumes in Preparation.

Metallurgy: A Series