“This ADMIRABLE MANUAL, by Capt. Wilson Barker, of the ‘Worcester,’ seems to us PERFECTLY DESIGNED.”—Athenæum.


Know Your Own Ship: A Simple Explanation of the Stability, Construction, Tonnage, and Freeboard of Ships. By Thos. Walton, Naval Architect.

With numerous Illustrations and additional Chapters on Buoyancy, Trim, and Calculations. Ninth Edition. 7s. 6d.

“Mr. Walton’s book will be found VERY USEFUL.”—The Engineer.


Navigation: Theoretical and Practical. By D. Wilson-Barker and William Allingham. Second Edition, Revised. 3s. 6d.

“Precisely the kind of work required for the New Certificates of competency.

Candidates will find it INVALUABLE.”—Dundee Advertiser.