A Treatise On The Principles And Practice Of Harbour Engineering

NA ÜTIOAL WORKS. 41 GRIFFIN’S NAUTICAL SERIES. Second Edition, Revised and Illustrated. Price Ss. 6d. NAVIGATION: PRACTICAL AND TREORETICAC. By DAVID WILSON-BARKER, R.N.R., F.R.S.E., åo., Ao., AND WILLIAM ALLINGHAM, FIRST-CLASS HONOÜRS, NAVIGATION, SCIENCE AND ART DEPARTMENT. Witb TRumerous JUustrattonø anb Lamination Questions» General Contents. —Definitions—Latitude and Longitude—Instruments of Navigation—Correction of Courses—Plane Sailing—Traverse Sailing—Day’s Work — Parallel Sailing — Middle Latitude Sailing — Mercator’s Chart— Mercator Sailing—Current Sailing—Position by Bearings—Great Circle Sailing —The Tides—Questions — Appendix: Compass Error—Numerous Useful Hints &c.—Index. “ Precisely the kind of work required for the New Certiflcates of competency in grades from Second Mate to extra Master. . . . Candidates will find it invaluable."-Dunder Advertiser. ‘‘A CAPITAL LITTLE BOOK . . specially adapted to the New Examinations. The Authors are Capt. Wilson-Barker (Captain-Superintendent of the Nautical College, H.M.S. Worcester,’ who has had great experience in the highest problems of Navigation), and Mr. Allingham, a well-known writer on the Science of Navigation and Nautical Astronomy ” —Shipping World. Handsome Gloth. Fully Illustrated. Price 7s. 6d. MARINE METEOROLOGY, FOR OFFICERS 0F THE MERCHANT NAVY. By WILLIAM ALLINGHAM, Joint Author of “Navigation, Theoretical and Practical." With numerous Plates, Maps, Diagrams, and Illustrations, and a facsimile Reproduction of a Page from an actual Meteorological Log-Book. SUMMARY OF CONTENTS. Introductoky.—Instruments Used at Sea for Meteorological Purposes.—Meteoro- logical Log-Books.—Atmospheric Pressure. —Air Temperatures.—Sea Temperatures - Winds.—Wind Force Scales.—History of the Law of Storms.—Hurricanes, Seasons and Storm Tracks.—Solution of the Cyclone Problem.—Ocean Currents.—Iceberes — Svn. chronous Charte.—Dew, Miste, Fogs, and Ilaze.—Clouds.—Rain, Snow, and Hail- Mirage, Rainbows, Coronas, Halos, and Meteors.—Lightnlng, Corposants and Auroras’— Questions.—Appendix.—Index. " ^"^ %e “E3T publication, and certainly the most intebbsting, on this subiect presented to Nautical men."—Shipping Gazette. on mis suoject ever *»* For Complète List of Griffin’s Nautical Series, see p. 39. LONDON: CHARLES GRIFFIN & CO., LIMITED, EXETER STREET. STRAND.