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INDICATORS (Helm Angle) Sperry Gyroscope Co., Sperry Bldg., Brooklyn, INDICATORS (Speed) Cory, Chas., & Son, Ince., 183 Varick St., New York City. Sperry Gyroscope Co., Sperry Bldg., Brooklyn, NEON INSURANCE (Marine) Boland & Cornelius, Marine Trust Bldg., Buffalo, N. Y. Osborn & Lange, Inc., Insurance Exchange, 175 W. Jackson Blvd., Chicago, Ill. Chicago, Ill. N.Y. Prindiville, John, & Sons, 208 S. LaSalle St., LAMPS (Mazda and Arc) General Electric Co., Schenectady, N. Y. LIGHTING EQUIPMENT Cory, Chas., &- Son, *Inc., 183 Varick St., New York City. Westinghouse Electric & Mfg. Co., East Pittsburgh, Pa. LOGS (Patent) Walker, Thomas, & Son, Ltd., 58 Oxford St., Birmingham, England. LUBRICATING OIL Sharples Specialty Co., 23rd & West Moreland Sts., Philadelphia, Pa. Standard Oil Co. of New Jersey, 26 Broadway, Texas Co., The, : 17 Battery Place, New York City. Tidewater Oil Sales Corp., 11 Broadway, New York City. Vacuum Oil Co. 61 Broadway, New York City. LUMBER Ripley, David, & Sons Lumber & Timber a Newark, N. MACHINERY (Marine) American Shipbuilding Co., Foot of W. 54th St., Cleveland, O. Bath Iron Works Corporation, Bath, Maine. Bessemer Gas Engine Co., Grove City, Pa. Bethlehem Shipbuilding Corp., Ltd., Bethlehem, Pa. Chicago Shipbuilding Co., So. Chicago, IIl. Great Lakes Engineering Works, River Rouge, Mich. Manitowoc Ship Building Corp., : Manitowoc, Wis. Toledo Ship Building Co.. Toledo, O. Washington Iron Works, 6th Ave. & Atlantic St., Seattle, Wash. MACHINISTS American Shipbuilding Co., Foot of W. 54th St., Cleveland, O. Milwaukee Dry Dock Co., Milwaukee. Wis. New London Ship & Engine Co., 11 Pine St., New York City. Washington Iron Works 6th Ave. & Atlantic St., Seattle, Wash. MANILA OAKUM—See OAKUM (Marine, Rope, Packings, Plumbers) MARINE DECKING—See DECKING MARINE GLUE Carpenter, Geo. Co., 436 ie "Walls St., Featinan L. W., & Co. 152 Kneeland St., MARINE GLUE (Liquid) W., & Ferdinand, a Co., 152 Kneeland St., MARINE HARDWARE Tiebout, W. & J., 118 Chambers St... New York City. MARINE RAILWAY BUILDERS Crandall Engineering Co., 102 Border St., Boston, Mass. MARINE SUPPLIES Carpenter, Geo. B., Co., 4386 N. ‘Wells St., Chicago, Ill. Tiebout, W. New York City. Chicago, Ill. Boston, Mass. Boston, Mass. J., 118 Chambers St., MATERIAL HANDLING EQUIPMENT Smith, Leathem D., Dock Co., Sturgeon Bay, MOTOR GENERATOR SETS Diehl Manufacturing Co., Engberg’s Electric & Mechanical Works, 22 Vine St., St..Joseph, Mich. Fairbanks, Morse & Co. 900 South Wabash Ave., Chicago, Ill. General Electric Co., Schenectady, N. Y. Westinghouse Electric & Mfg. Co., East Pittsburgh, Pa. MOTORS (Electric) Diehl Manufacturing Co., Elizabeth, N. J. Engberg’s Electric & Mechanical Works, 22 Vine St., St. Joseph, Mich. Fairbanks, Morse & Co., 900 South Wabash Ave., Chicago, Ill. x. General Electric Co., Schenectady, Westinghouse Electric & Mfg. Co., East Pittsburgh, Pa. 108 New York City. Wis. Elizabeth, N. J. WHERE TO BUY MOTORS (Winch) Westinghouse Electric & Mfg. Co., East Pidabarch, Pa. NAUTICAL INSTRUMENTS Carpenter, F Co., 486 N. Wells St., Chicago, Ill. Ritchie, E. S., & Sons, Brookline, Mass. Sperry Gyroscope Co., Sperry Bldg., Brooklyn, N. Y. NAVIGATION INSTRUMENTS White, Kelvin & Wilfried O., Co., 112 State St., Boston, Mass. NITROGEN (Gas) Linde Air Products Co., 80 East 42nd St., OAKUM (Marine, Rope. Packings, Stratford, George, Oakum Co., 165 Cornelison Ave., OIL (Fuel and Lubricating) Sharples Specialty Co., 23rd & West Moreland Sts., OIL BURNERS Peabody Engineering Corp.. 110 E. 42nd St., OIL BURNING EQUIPMENT Babcock & Wilcox Co., 85 Liberty St., Bethlehem Shipbuilding Corp.. Ltd.. Plumbers) Philadelphia, Pa. Bethlehem, Pa. New York City. Coen Company. Inc., 50 Church St., Sturtevant, B. F.. Co.. Hyde Park, Boston, OIL CLARIFIERS De Laval Separator Co., 165 Broadway, New York City. Sharples Specialty Co., 23rd & West Moreland Sts., Philadelphia, Pa. OIL DEHYDRATORS Sharples Specialty Co., 23rd & West Moreland Sts., Philadelphia, Pa. OIL FOR ALL PURPOSES (Marine) Texas Co., The. 17 Battery Place, New York City. Tidewater Oil Sales Corp., 11 Broadway, Vacuum Oil Co., 61 Broadway, OJL PURIFIERS De Laval Separator Co., 165 Broadway, Sharples Specialty Co., 23rd & West Moreland Sts., Philadelphia, Pa. OXYGEN (Gas) Linde Air Products Co., 30 East 42nd St., PACKING (Tarred and Untarred Jute) Stratford, George, Oakum Co., Jersey City, PASSENGER SERVICE United American Lines, Inc., 39 Broadway, New York City. PIPE (Welded) American Welding Co., 80 Church St., New York City. PIPING (Cold Storage) Frick Company, Waynesboro, Pa. PLASTER FIBRE Stratford, George, Oakum Co., Jersey City, N. J. PLATES (Floor) American Pressed Steel Co., Commercial Trust Bldg., Philadelphia, Pa. PLATES (Rolled Zinc) Hazel-Atlas Glass Co., 16th & Market St., Wheeling, W. Va. PLUMBERS’ OAKUM Stratford, George, Oakum Co., Jersey City, POWDERED COAL BURNERS Coen Company, Inc., 50 Church St., Peabody Engineering Corp., 110 E. 42nd St., PROPELLER BLADES AND HUBS Sheriffs Mfg. Co., Milwaukee, Wis. PROPELLER WHEELS American Shipbuilding Co., Foot of W. 54th St., Detroit Ship Building Co., Detroit, Mich. Great Lakes Engineering Works. River Rouge, Mich. Milwaukee Dry Dock Co., Newport News Shipbuilding & Dry Dock Co., 233 Broadway, New York City. MARINE REVIEW—April, 1928 New York City. Jersey City. N. J. New Yurk City. New York City. Mass. New York City. New York City. New York City. New York City. N. J. Needs New York City. New York City. Cleveland, O. Milwaukee, Wis. Milwaukee, Wis. Toledo, O. Buffalo, N. Y. Sheriffs Mfg. Co., Toledo Ship Building Co., G. C Trout, H. O03; 220 Ohio St., PROPELLERS Bethlehem Shipbuilding Corp., Ltd., Bethlehem, Pa. Hyde Windlass Co., Bath, Me. Newport News Shipbuilding & Dry Dock Co., 233 Broadway, New York City. PUMPS Bethlehem Shipbuilding Corp., Ltd., Bethlehem, Pa. Dean Brothers Co., 823 W. Tenth St., Indianapolis. Ind. Fairbanks, Morse & Co., 900 South Wabash Ave., Chicago, Il. Great Lakes Engineering Works, River Rouge, Mich. Ingersoll-Rand Co., 11 Broadway, New York City. Warren Steam Pump Co., Inc., Warren, Mass. Waterous Co., The, St. Paul, Minn. PUMPS (Ballast) Dean Brothers Co., ; 3823 W. Tenth St., Indianapolis, Ind. Warren Steam Pump Co., Inc., Warren, Mass. PUMPS (Bilge) Dean Brothers Co., 823 W. ° Tenth St., Ind. Fairbanks, Morse & Co., 900 South Wabash Ave., Chicago, Ill. Warren Steam Pump Co., Inc., ‘Warren, Mass. PUMPS (Boiler Feed) Dean Brothers Co., 323 W. Tenth St., Fairbanks, Morse & Co., 900 South Wabash Ave., Chicago, Ill. Warren Steam Pump Co., Inc., Warren, Mass. PUMPS (Direct Acting) Dean Brothers Co., 323 W. Tenth St., PUMPS (Fuel Oil) Coen Company, Inc., 50 Church St., PUMPS (Power) Dean Brothers Co., 323 W. Tenth St., Fairbanks, Morse & Co., 900 South Wabash Ave., Chicago, Ill. PUMPS (Rotary) Indianapolis, Indianapolis, Ind. Indianapolis, Ind. New York City. Indianapolis, Ind. Waterous Co., The, St. Paul, Minn. PUMPS (Steam) Dean Brothers Co., 323 W. Tenth St., Indianapolis, Ind. Fairbanks, Morse & Co., 900 South Wabash Ave., Chicago, Ill. Warren Steam Pump Co., Inc., ‘Warren, Mass. PUMPS (Vacuum) Dean Brothers Co., 823 W. Tenth St., Indianapolis, Ind. PURIFICATION SYSTEMS—See WATER PURIFICATION SYSTEMS PURIFIERS (Oil) De Laval Separator Co., 165 Broadway, New York City. PURIFIERS AND CLARIFIERS (Oil) Sharples Specialty Co., 23rd & West Moreland Sts., Philadelphia, Pa. RADIO Hin AND DIRECTION Radiomarine Corp. of America, 66 Broad St., New York City. RADIO EQUIPMENT Radiomarine Corp. of America, 66 Broad St., New York City. RAILWAY DRY DOCKS Crandall Engineering Co., 102 Border St., RANGES Stamford Foundry Co., Stamford, Conn. REFRIGERATING MACHINERY Brunswick-Kroeschell Co., New Brunswick, N. J. Frick Company, Waynesboro, Pa. REPAIRS (Electric) Westinghouse Electric’ & Mfg. Co., East Pittsb PB REPAIRS (Marine) ureh, = siesta! Peppidiae Co., Foot of W. 654th St., Cleveland, O. Rethlehem Shipbuilding Corp., Ltd., Bethlehem, Pa. Chicago Shipbuilding Co., So. Chicago, Ill. Great Lakes Engineering Works, River Rouge, Mich. Manitowoc Ship Building Corp., Manitowoc, Wis. Newport nee Shipbuilding & Dry Dock Co., 233 Broadway, New York City. Sun Shipbuilding & Dry Dock Co., Chester, Pa. Todd Shipyards Corp., estas : 25 Broadway, New York City. Toledo Ship Building Co., Toledo, O. COMPASS Boston, Mass.