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42 MARINE REVIEW March, 1925 For extreme service specify TYLER GENUINE CHARCOAL IRON— knobbled by hand in the old fashioned way—built up layer upon layer to any thickness desired—tested to 1000 Ibs. hydrostatic and meeting all requirements of U. S. Steamboat Rules and Regulations, American Bureau of Shipping and A. S. M. E. Code Committee. TYLER TUBE & PIPE CO., Washington, Pa. WAREHOUSE STOCKS A. M. Castle & Co., Chicago, III. Johnson-Peter Co., Brooklyn, N. Y. A. M. Castle & Co. of Washington, Seattle, Wash. Harrisburg Pipe & Pipe Bending Co. of Texas, Inc., Johnson-Peter Co., Pittsburgh, Pa. Houston, Texas Cap’n Allswell says: ‘“‘Refit with a Columbian’’ While overhaulin’, give a sharp eye to that propeller. If it’s nicked, bent, or out of true, put on a brand new Columbian. It'll more’n pay you. (Write for propeller information. ) The Columbian Bronze Corporation, 238 N. Main St., Freeport, L.1I., N.Y. Chicago Representative: Geo. B. Carpenter Co., 440 N. Wells St. COLUMBIAN Bronze PROPELLERS ESTABLISHED, 1854. Oldman-Magee Boiler Works, Inc. Boilers, Tanks, Stacks, Struc- tural Work and Castings Boiler Repairing Promptly Attended to Day or Night MANUFACTURING CO. MARINE WORK ASPECIALTY ELECTRIC WELDING PROP EL LER Works: 36-40 Illinois Street - BUFFALO, N. Y. WHEELS PRO P oa ER Propeller Wheels, Marine Engines, Brass and Iron BLADES Castings. Large variety of Grate Bars in stock. ue Hany hup. H. G. TROUT Co. MILWAUKEE, WIS. shone (Cen Pele puree gy ¥. Phone: Seneca 5361 FOSTER SUPERHEATERS In use in over 350 ships. A necessity for turbine protection and engine cylinder economy. Dallas _ Pittsburgh Boston _ Detroit Kansas City Lond POWER SPECIALTY CO. Chicago San Francisco Boulder Philadelphia Los Angeles England 111 Broadway, N. 7. Baltimore, Proctor Eng. Co.; A. K. Miller Engineering Co., Galveston, Texas, New Orleans, La., Mobile, Ala.; Cleveland, R. G. Backus. Charleston and Savannah, Stuart A. Johnson Engineering Company. MANITOWOC Shipbuilding Corporation Ship, engine and boiler builders and dry dock proprietors. Two dry docks enabling us to dock ships up to 510! keel length. Excellent facilities for prompt and econom- ical repair work. MANITOWOC, WISCONSIN Please mention MarInE Review when writing to Advertisers