PRACTICAL NAVIGATION. Consisting of The Sailor's Sea-Book, by James Greenwood and W. H. Rosser; together with the requisite Mathematical and Nautical Tables for the Working of the Problems, by Henry Law, C.E., and Professor J. R. Young. Illustrated. 12mo, 7s. strongly half-bound.
Drawing for Marine Engineers.
LOCKIE'S MARINE ENGINEER'S DRAWING-BOOK. Adapted to the Requirements of the Board of Trade Examinations. By John Lockie, C.E. With 22 Plates, Drawn to Scale. Royal 3vo, 3s. 6d. cloth.
"The student who learns from these drawings will have nothing to unlearn."—Engineer.
"The examples chosen are essentially practical, and are such as should prove of service to engineers generally, while admirably fulfilling their specific purpose."—Mechanical World.
Sailmaking.
THE ART AND SCIENCE OF SAILMAKING. By Samuel B. Sadler. Practical Sailmaker, late in the employment of Messrs. Ratsey and Lapthorne, of Cowes and Gosport. With Plates and other Illustrations. Small 4to, 12s. 6d. cloth.
Summary of Contents.
Chap. I. The Materials used and their Relation to Sails.—II. On the Centre of Effort.—III. On Measuring.—IV. On Drawing.—V. On the Number of Cloths required.
—VI. On Allowances.—VII. Calculation of Gores.—VIII. On Cutting Out.—IX. On Roping.—X. On Diagonal-Cut Sails.—XI. Concluding Remarks.