UNWIN.—THE ELEMENTS OF MACHINE DESIGN. By W. Cawthorne Unwin, F.R.S., Professor of Engineering at the Central Institute of the City and Guilds of London Institute.

Part I. General Principles, Fastenings, and Transmissive Machinery. With 304 Diagrams, etc. Crown 8vo., 6s.

Part II. Chiefly on Engine Details. With 174 Woodcuts. Crown 8vo., 4s. 6d.

LONGMANS' CIVIL ENGINEERING SERIES.

Edited by the Author of ‘Notes on Building Construction’.

TIDAL RIVERS: their (1) Hydraulics, (2) Improvement, (3) Navigation. By W. H. Wheeler, M.Inst.C.E., author of ‘The Drainage of Fens and Low Lands by Gravitation and Steam Power’. With 75 Illustrations. Medium 8vo., 16s. net.

NOTES ON DOCKS AND DOCK CONSTRUCTION. By C. Colson, M.Inst.C.E., Assistant Director of Works, Admiralty. With 365 Illustrations. Medium 8vo., 21s. net.

PRINCIPLES AND PRACTICE OF HARBOUR CONSTRUCTION. By William Shield, F.R.S.E., M.Inst.C.E., and Executive Engineer, National Harbour of Refuge, Peterhead, N.B. With 97 Illustrations. Medium 8vo., 15s. net.

CALCULATIONS FOR ENGINEERING STRUCTURES. By T. Claxton Fidler, M.I.C.E., Professor of Engineering in the University of Dundee; Author of ‘A Practical Treatise on Bridge Construction’. [In preparation.

A COURSE OF CIVIL ENGINEERING. By L. F. Vernon-Harcourt, M.Inst.C.E., Professor of Civil Engineering at University College, London. [In preparation.