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ay et eek ee ee a Ig PE LT TI eg ee EN a ee aE ee OS Te ge ee May, 1919 bution of Swedish risks abroad and of foreign risks in Sweden. It is a firm that is really a broker.. The capital -- je Condensed Sy =n The Strength of Ships, by J. Bertram Thomas; cloth; 290 pages, 4x7 inches; published by Scott Greenwood & Son and furnished by Tur Marine Review for $3, The author of this book is an Eng- lishman and has lectured for many years on naval construction and also has -de- voted a large amount of time to the private teaching of individual students. The work is complete and is divided into 26 chapters as follows: Materials their properties; shearing forces and bending moments; methods of resistance of beams to flexure; deflection of beams; fixed and continuous beams; rectangular plates under water 'pressure; shear stresses in beams; strength of struts; longitudinal strength of ships; tran- verse strength of ships; riveted joints in ship work; effect of rolling and pitching on the upper structures; rudder calculations; strength of shaft brackets, and gun supports. Many tables for ready reference are also' included. These comprise ex- ponential and hyperbolic functions, hyperbolic logarithms of numbers from 1 to 50; logarithms, trigonometrical functions; tables of squares, cubes, square root and cube root; areas and circumferences of circles up to 6-inch diameter advancing by thirty-seconds and sixteenths; areas of circles advancing by tenths of an inch; metric equivalents; equivalent values of millimeters and inches, and kilograms in pounds. The book is well illustrated and each problem taken up is explained thorough- ly for which purpose many tables and equations are included in the text. Not only students but naval architects as well will find this book a ready means oi reference for solving the thousand- and-one problems pertaining to ship- building which are impossible to com- mit to memory. of construction and integration ; The Merchant Marine Manual, by Capt. Eugene E. O'Donnell;. cloth; 254 pages, 4x6. inches; published by The Yachtsman's Guide and furnished by Tue Marine Review for $1. The author points out that the manual was originally prepared for the guidance - and instruction of apprentices on the WO SG - by mariners, antilogarithms, » } eae tice ment is complete in itself and is so ar- concerned is small, but the firm seems to be of good standing, its directors being men of position. Opporunities of STII TTA IU TT reviews of Latest tHtHVG-Gi iii iieher xin: titTit:tTtTiT:TitTE:itL:miiTSKI training ships of the United States ship- ping board and that the need of a com- pact manual was felt by many students who, being born inland, where wholly ignorant of ships and the-sea. It is also pointed out that the book in question was especially prepared: for the in-- tensive training of men before placing them in the merchant service. The book is divided into 22 parts as follows: Safety of: life at sea, seaman- ship, sailing vessels, sign and construction of steel merchant vessels, stowage of cargo, load line marks, station bill, duties of coal pass- ers, firemen, water-tenders and oilers; marine boilers and accessories; of oil for fuel on steam vessels, boiler room auxiliaries, marine engines for the © combustion supervision, merchant service, internal marine engines, care and buoyage--aids to navigation, signals used help in case of accidents, licensing of deck for... licesing "of requirements for officers, requirements engineers, nautical dictionary and ques- tions and answers. The book is well written and contains ~ numerous illustrations. Each depart- ranged that references are easily found. The nautical dictionary and list of ques- tions and answers are especially valuable to' apprentice. seamen as means are thereby afforded for gaining authentic knowledge on many questions that prove confusing to 'the man who _ is unfamiliar with the sea and deep-water vessels. A Practical Course in Wooden Boat and Ship Building, by Richard M. Van -- Gaasbeek; cloth; 204 pages, 44% x 7% inches; & Co. and furnished by THE Marinr Review for $1.50. The author is head of the depart- 'ment of woodworking, school of science and technology, Pratt institute, Brook-. lyn, N. Y., and it is pointed out that the book was especially written for carpenters and other woodworkers who desire to engage in boat or shipbuild- ing, and as a text book for schools. The volume is an outgrowth and de- velopment ofa pioneer -- course - organ- ' ized early in the war by Pratt institute steam vessels, de-. the use published by Frederick J. Drake - THE MARINE REVIEW | 241 this kind open a new field that in all probability will be investigated by Amer- ican insurance companies. is ! TUVALU ULL in response to the demand caused | shortage of skilled labor-in the ship- building industry. The book should prove a valuable aid to men who wish to qualify as expert handicraftsmen in the -- shipbuilding trades as every point in the construc- tion of a wooden vessel is clearly ex- plained, step by step. Written from a practical point of view, the book is wholly. devoid of involved phraseology that would serve to confuse the reader. Many illustrations are included. Some of these are from photographs taken under actual working .conditions, while others are reproductions of draw- . ings. _Ten chapters are included as follows: The mold loft, stem and 'stern con- struction, futtocks and frames, outside planking, ship construction, machines and labor saving devices, raising the frames, planking and finishing, hand tools and wooden boat and ship termin- ology. S "Sy The Blue Book of Facts, edited by E.. K. Glass; cloth; 116 pages, 3% x 6. inches; published by the Ocean Pub- lishing Co. and furnished by THE Ma- RINE REVIEW for $2.50. This book, now in its third edition, contains questions and answers gener- ally asked applicants for marine steam and gas coal license. Many new ques- tions. and problems are included that pertain to all grades of license. A fea- ture of this edition is that the ques- tions and answers are keyed so _ that the applicant need only study those that pertain to the examination a. expects to take. / The subjects 'ncludet are boiler, en- gine and gas engine questions and answers, to which are added several pages of concise mathematical informa- | tion. Several problems, the nature of. which every engineer should be famil- iar with, are also included. The ques--- tions are all practical. - The book will prove of value to ma- rine engineers in general as it contains much information that is difficult to | carry in mind for any length of time. A 94-foot tug, the NaTHANIEL P. Doane, has been launched by the Adams Shipbuilding Co., East Boothbay, Me., for Crowell & Thurlow, Boston.