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, PTTiiiIiiIieiieie\»nmt tt tI nn OC 30 WHERE TO BUY evened eter July, 1925 PTT CO cc cc MOTOR GENERATOR SETS Diehl ange pe serge Pe J ae Engberg’s ectric echanica orks, | — 22 Vine St., St. Dead ay Mich. General Electric Co., Schenecta Westinghouse Electric & Mfg. Co., East Pittsburgh, Pa. MOTORS (Electric) Diehl Mfg. Co., Elizabeth, N. J. Engberg’s Electric & Mechanical Works, | 22 Vine St., St. Joseph, Mich. General Electric Co., Schenectady, N. Y. MOTORS (Winch) General Electric Co., Schenectady, N. Y. Westinghouse Electric & Mfg. Co., East Pittsburgh, Pa. NAUTICAL INSTRUMENTS Carpenter, George B., & Co., : 436 N. Wells St., Chicago, Ill, Ritchie, E. S., & Sons, Brookline, Mass. Sperry Gyroscope Co., The, Manhattan Bridge Plaza, Brooklyn, N. Y. NAVIGATION INSTRUMENTS White, Kelvin & Wilfried O., Co., 112 State St., Boston, Mass. NITROGEN (Gas) Linde Air Products Co., ¢ 30 E. 42nd St., New York City. NUTS—See BOLTS AND NUTS OAKUM (Marine, Rope, Packings, Plumbers) Stratford, George, Oakum Co, ° 165 Cornelison Ave., Jersey City, N. J. OIL BURNING EQUIPMENT Babcock & Wilcox Co., Th e, 85 Liberty St., New York City. Bethlehem Shipbuilding Corp., Ltd. m a. Bethlehem, Peabody Engineering Co., 110 E, 42nd St., New York City. Sturtevant, B. F., Co., Inc., Hyde Park, Boston, Mass. Todd Oil Burner & Engineering Corp., 742 E. 12th St., New York City OIL FOR ALL PURPOSES (Marine) Tidewater Oil Sales Corp., : 11 Broadway, New York City. Vacuum Oil Co., : 61 Broadway, New York City. OIL TANK CLEANERS Wheeler, H. J., Salvage Co., Inc., 224 Bush St., Brooklyn, N. Y. OXYGEN (Gas) Linde Air Products Co., 30 E. 42nd St., New York City. PACKING (Rubber) j Goodrich, B. F., Rubber Co., Akron, Ohio. PACKING (Tarred and Untarred Jute) * Stratford, George, Oakum Co., Jersey City, N. J. PASSENGER SERVICE International Mercantile Marine Co., 1 Broadway, New York City. United American Lines, Inc., 39 Broadway, New York City. PATENTS Siggers & Siggers, Washington, D. C., PIPE (Iron and Steel) American Spiral Pipe Works, _ W. 14th & S. 48th St., Chicago, Ill. Continental Iron Works, The, West and Calyer Sts., Brooklyn, N. Y. PIPING (Cold Storage) Frick Company, Waynesboro, Pa. PLASTER FIBRE Stratford, George, Oakum Co., : Jersey City, N. J. PLATES (Boiler) Lukens Steel Co., Coatesville, Pa. PLATES (Floor) American Pressed Steel Co., : Commercial Trust Bldg., Philadelphia, Pa. PLATES (Ship) Lukens Steel Co., Coatesville, Pa. PLATES (Tank) Lukens Steel Co., Coatesville, Pa. PLUMBERS’ OAKUM Stratford, George, Oakum Co., Jersey City, N. J. PLUMBING FIXTURES (Enameled) Kohler Company, Kohler, Wis. PORT FACILITIES Port of Newark, Newark, N. J. PROPELLER BLADES AND HUBS Columbian Bronze Corporation, The, Freeport, Long Island, N. Y. Sheriffs Mfg. Co., Milwaukee, Wis. PROPELLER WHEELS American Ship Building Co., Foot of W. 54th St., Cleveland, O. Detroit Ship Building Co., Detroit, Mich. Great Lakes Engineering Works, ; River Rouge, Mich. Milwaukee Dry Dock Co., Milwaukee, Wis. Sheriffs Mfg. Co., Milwaukee, Wis. Toledo Ship Building Co., Toledo, O. Trout, H. G., ag 220 Ohio St., Buffalo, N. Y. PROPELLERS Bethlehem Shipbuilding Corp., Ltd., Bethlehem, Pa. Columbian Bronze Corp., Freeport, L. I., N. Y. Cramp, Wm., & Sons Ship & Engine Bldg. Co., Philadelphia Pa. Hyde Windlass Co., Bath, Me. PUMPS Bethlehem Shipbuilding Corp., Ltd., Bethlehem, Pa. Dean Brothers Co., 323 W. Tenth St., Indianapolis, Ind. Great Lakes Engineering Works, 3 River Rouge, Mich. Worthington Pump & Machinery Corp., 115 Broadway, New York City. PUMPS (Ballast) Dean Brothers Co., 323 W. Tenth St., Indianapolis, Ind. Warren Steam Pump Co., Warren, Mass. PUMPS (Bilge) Dean Brothers Co., 323 W. Tenth St., Indianapolis, Ind. Warren Steam Pump Co., Warren, Mass. PUMPS (Boiler Feed) Dean Brothers Co., 323 W. Tenth St., Indianapolis, Ind. Superheater Co., The, 17 E. 42nd St., New York City. Warren Steam Pump Co., Warren, Mass. PUMPS (Centrifugal) Worthington Pump & Machinery Corp., 115 Broadway, New York City. PUMPS (Direct Acting) Dean Brothers Co., 323 W. Tenth St., Indianapolis, Ind. Worthington Pump & Machinery Corp., 115 Broadway, New York City. PUMPS (Power) Dean Brothers Co., : é 323 W. Tenth St., Indianapolis, Ind. Worthington Pump & Machinery Corp., — 115 Broadway, New York City. PUMPS (Steam-Holly Type) Worthington Pump & Machinery Corp., 115 Broadway, New York City. PUMPS (Steam) Dean Brothers Co., 323 W. Tenth St., Indianapolis, Ind. Warren Steam Pump Co., Warren, Mass. PUMPS (Vacuum) Dean Brothers Co., : 323 W. Tenth St., Indianapolis, Ind. Worthington Pump & Machinery Corp., 115 Broadway, New York City. PURIFICATION SYSTEMS—See PURIFICATION SYSTEMS WATER PYROMETERS Superheater Co., The, 17 E. 42nd St., New York City. RADIO COMPASS FINDER Federal Telegraph Co., 812 Hobart Bldg., San Francisco, Cal. AND DIRECTION RADIO EQUIPMENT Radio Corp. of America, 66 Broad St., New York City. RAILWAY DRY DOCKS Crandall Engineering Co., The, 102 Border St., Boston, Mass. REFRIGERATING MACHINERY Frick Company, Waynesboro, Pa, Phoenix Ice Machine Co., 2711 Church Ave., Cleveland, O. RELEASING GEARS FOR LIFEBOATS Welin Davit & Boat Corp., 305 Vernon Ave., Long Island City, N. Y. REPAIRS (Marine) American Ship Building Co., .. Foot of W. 54th St., Cleveland, O. Bethlehem Shipbuilding Corp., Ltd., : ’ : Bethlehem, Pa. Chicago Ship Building Co., So. Chicago, IIl. Federal Shipbuilding & Dry Dock Co., 26 Beaver St., New York City. Great Lakes Engineering Works, River R ich. Manitowoc Ship Building Geng. — Meni f Sinten! Uelind -Shibuiding Gao 1 Broadway, New York City. Sun Shipbuilding & Dry Dock po bs o ‘Ch x Todd Shipyards Corp., wg ee: 5 Broadway, N Y ity. Toledo Ship Buildine eg Toledo, of “ REPAIRS (Marine engines) Hooven, Owens, Rentschler Co., Hamil New London Ship & um Co snes 11 Pine St., New York City. REVOLUTION COUNTERS Cummings Machine Works, 255 Atlantic Ave., Sperry Gyroscope co ee Metered oe Manhattan Bridge Plaza, Brooklyn, N. Y. RIVETS Oliver Iron & Steel Corp., 10th and Muriel Sts., Pittsburgh, Pa. RIVETS (Boiler)—See BOILER RIVETS ROPE (Manilla) Columbian Rope Co., Auburn, N. Y, ROPE (Manila N Piter Goedace) et, Sisal, and Other Hard Columbian Rope Co., Aubum, N, Y.