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"THE MarRINE. REVIEW 9 (PITTSBURG COAL COMPANY GENERAL OFFICE, LAKE DEPARTMENT, ROCKEFELLER BUILDING, CLEVELAND, OHIO Steamboat Fueling Facilities at Various Points on the Great Lakes CLEVELAND WARBORS$ Lichters' FAIRPORT HARBOR |; Lichten ee" ERIE HARBOR} Fost Lighter." ASHTABULA HARBOR}; Lighter DETROIT RIVER BRANCH | Sccdwich ana Ambovetburg. Dook--Pittsburgh Landing. SAGLT RIVER BRANCHES pock aud Peokets at Sault Ste. Marie. (The Pert Reyal Deok Co.) | WE FURNISH ONLY THE BEST GRADE PITTSBURG AND YOUGHIOGHENY COAL Lucas' Questions | SUBMARINE SIGNALS 2 Boo ia and Answers' for a | Ne Marine Engineers ; HE United States Government and Ne the Canadian: Government have 4 5 Second Revised Edition. arranged to send submarine signals eS Shore than & from every important lightship in North Ne Hundred Illustrations. American waters--This includes : River St. Lawrence, In this second edition, in response to numerous re- The Atlantic Coast, quests, the publishers have added several subjects under The Gulf of Mexico the headings "Various Principles of Mathematics use- The Pacific Const : ful to the Engineer and Machinist," the United States The Great lakes: regulations relating to the examination of Engineers for licenses as Chief, First, Second and Third Engineers, Signals are also in operation in Ger- prescribed by the Board of Supervising Inspectors, an -many, England, France and Denmark. introduction relating to the Qualifications and Oppor- tunities for entering the Government and Mercantile Marine Engine Room Service. Vessels equipped to receive sub- marine signals by the Price $2.00 Postpaid to any address. \ i Money refunded if book is not entirely satisfactory. Submarine Signal Co. - Boston, Mass. Marine Review - Cleveland, 0. : | S a OTIS STEEL Ship Plates Flange Plates Tank Plates Steel Car Axles Forgings of All Kinds "Otis" Fire Box Plates a Specialty. STEEL CASTINGS FROM 100 TO 100,000 LBS. | OTIS STEEL CO., Ltd, esa omice ana works, CLEVELAND, O. New York: Thorpe, Platt &« Co. 97 Cedar St. AGENCIES San Francisco: John Woodlock, 154-156 First St. MontreaJ Homer Taylor, 183 St. James St. Detroit: George W. House, Union Trust Building.