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52 TAe MARINE REVIEW Navigation In charge of W. J. WILSON, Graduate of U. S. Naval Acad. emy, Annapolis, Md Engineering In charge of J. Ge KREER (N. A. and M. E.), Graduate of Royal School Naval Arch.' Berlin, Germany. | A full and complete course of instruction in Lake and Ocean Navi- gation and Marine Engineering. Also special branches taught those desiring to qualify themselves for better positions in the Marine Service. tudents taught by correspondence. Students . may beginat any time. Diplomas will be issued to all graduates passing satisfactory final examinations. Send for circular. CHICAGO NAUTICAL SCHOOL, 10th Year MASONIC TEMPLE, CHICAGO, ILL. Wy. WILSON, Principal (Late Lieutenant, U.S. N.) : oN : LEARN RIGHT WHILE YOU'RE AT IT Dake Pilot House Steam Steerer For Tugs and Steamers. Simple, Durable; Eff- cient and practically noiseless. Can _ easily be changed to hand gear if necessary. Grand Haven, Mich. DAKE ENGINE CO., o ker DIXON'S iy? GRAPHITE * LUBRICANTS ON SHIPBOARD ASSURE NOTABLE RESULTS IN jas =e ECONOMY AND EFFICI- --_--s- ENCY WHICH CANNOT BE OTHERWISE SECURED VALUABLE CATALOGUE No. 77-1 FREE JOSEPH DIXON CRUCIBLE CO., JERSEY CITY, N. J. You do not have to guess at the speed of' your vessel if equipped with the Catalogues and Full Information on request. Nicholson Ship Log Co. 204 Superior Street, NICHOLSON. LOG The exact speed of a moment is con- stantly before you on a dial, and is recorded on a paper chart. The dis- tance traveled is correctly shown ona counter. Guaranteed to register with-' in 2%. No expense:to operate if not abused. Wind the clock once a day and it will do its work automatically. CLEVELAND, 0. Thirtv Years' Experience building - Engines and Propeller iO Wheels. H. G. TROUT, King Iron Works, 226 Ohio St., BUFFALO, N. Y. ESTABLISHED, 1854. SHERIFFS MANUFACTURING CO. Manufacturers of PROPELLER WHEELS Marine Engines and Repairs. Milwaukee, Wis. Aids to Navigation SCHERZER ROLLING LIFT BRIDGES aid navigation and meet with the approval of all vessel interests, because of the wide and unobstruc- ted channel provided for navigation, enabling vessels to pass easily and rapidly through the draw. The Scherzer Rolling Lift Bridge Co. Main Offices: 1616 Monadnock Block, CHICAGO, U. S. A. | et Phone 8. 163 -3 EIR SAFETY AT SEA in time of danger depends upon the closure of the ship's bulkhead doors. shows that this can only be accomplished by means of THE "LONG-ARM"' SYSTEM By this system, consisting of a central emergency station from which power doors and hatch-plates are unfailingly controlled, the electric motor does the work, leaving nothing to chance or individual initiative and bravery. Adopted after searching tests for use on 36 vessels of the United States Navy. Further information may be obtained from The "Long-Arm"' System Co., Ceveland, O. A long series of maritime disasters