Earthwork in Railway Engineering. J. W. P. Gardner, M.I.C.E. Demy 8vo. Illustrated.

Dock and Lock Machinery. William Hunter, M.Inst.C.E. Demy 8vo. Illustrated.

Other Volumes in Preparation.

“The Engineer” Library

What Industry Owes to Chemical Science. Richard B. Pilcher and Frank Butler-Jones, B.A. With an Introduction by Sir George Beilby, LL.D., F.R.S. Crown 8vo. 4/- net. ([See p. 48.])

The authors show how science has advanced the methods and processes of production and laid the foundation for the establishment of new manufactures. Many important industries are surveyed with the particular object of informing students of chemistry and engineering of the vast field open to them in their professional careers.

The Production and Treatment of Vegetable Oils. Including chapters on the Refining of Oils, Hydrogenation of Oils, Generation of Hydrogen, Soap Making, Recovery and Refining of Glycerine, and the Splitting of Oils. T. W. Chalmers, B.Sc., A.M.I.Mech.E. Imperial 8vo. 9 Folding Plates, 95 Illustrations. 21/- net. ([See p. 52.])

Paper Making and its Machinery. T. W. Chalmers. Imperial 8vo. 26/- net. Illustrated. ([See p. 52.])

Electric Welding and Welding Appliances. H. Carpmael. Imperial 8vo. 18/- net. Illustrated. ([See p. 34.])