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August, 1917 THE MARINE REVIEW a = SARS 4 pe ican oe oe ee ee eee | ~ae ae awuae am re N SRO) A Monthly Publication Devoted to Shipbuilding, Marine Engineering and Business of Transportation by Water. Published by The Penton Publishing Co., Cleveland, Ohio, U. S. A. IN THIS ISSUE PAGE Developing Philadelphia Harbor: :.)..... 264 = June, Lake Levels’ <i) 00. cue sie New Sea Fighter Launched........ . 267. How Wooden Ships are Built—III.. The Science of Naval Architecture. . 268 American Shipyard Activities....... In the Traffic Manager’s Office....... 273. sGonerete Vessele eg. 6 ce eee. War Profits Entrench Japan on Pacific. . 273 Launches Four Boats in One Day..... Freight Problems on Mississippi........ 275 Marine News of the War............ Trading on Ice-Bound Arctic........... 276 New York—Entry Port for Iron Ore. Soo: Canal Report 25... disenpess ensues Offs dee, Breakers as Ale to Lake lrace.., June Ore’ Shipments ........:......:... 247 Salved After Decade in Tropics.:..:. Latest Marine News in Pictures......... 278 On the Coasts, Lakes and Rivers.... War Risk Insurance Now in Effect..... 280 Red Hot Tips from the Trade...... Qualifications Required of Student Officers 281 Equipment Used Afloat and Ashore. BRANCH OFFICES CHICAGO 1521-23 Lytton Bldg. PITTSBURGH .- 2148-49 Oliver Bldg. CINCINNATI 205 Lincoln Inn Court. PHILADELPHIA - - 1316 Land Title Bldg. NEW YORK 508 West Street Bldg. WASHINGTON - 708 Metropolitan ‘Bank Bldg. BIRMINGHAM, ENG. - Prince’s Chambers Subscription $2.00 per year postpaid, all over the world. Single copies 20 cents. Back numbers over three months, 50 cents. The Cleveland News Co. will supply the trade with Tue Marine Rervirw through the regular channels of the American News Co. European Agents, The International News Co., Breams building, Chancery Lane, London, E. C., England. Entered at the Post Office at Cleveland, Ohio, as Second Class Matter. (Copyright 1917, by Penton Publishing Company) Please mention THE MartIne Review when writing to Advertisers