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HHH CC CC. i_i_{ilLI_ Mi MHicCocATC CTT N 28 Miiiiii«e« itt ( (MM MLL OXYGEN (Gas) Linde Air Products Co., 30 E. 42nd St., New York City. PACKING (Tarred and Untarred Jute) Stratford, George, Oakum Co., Jersey City, N. J. PASSENGER SERVICE International oe Marine Co., 1 Broadway, New York City. United American Lines, Inc., 39 Broadway, New York City. PATENTS Siggers & Siggers, Washington, D. C. PHONOGRAPHS (Period Models) The Orsenigo Co.. Inc. 381 Madison Ave., New York City. PIPE BENDING MACHINERY—See MA- CHINERY (Pipe Bending) PIPE (Iron and Steel) American Spiral Pipe Works, W. 14th & S. 48th St., Continental ee Works, The West and Calyer Sts., Brooklyn, Nive Chicago, Ill. PISTON RINGS Moss, J. W. S., 644 Riverside New York City. Drive, PLASTER FIBRE Stratford, George, Oakum Co. Jersey City, N. J. PLATES (Floor) American Pressed Steel Co., Commercial Trust Bldg., Philadelphia, Pa. PLUMBERS’ OAKUM Stratford, George, Oakum Co., Jersey City, N. J. * PLUMBING FIXTURES (Enameled) Kohler Company, Kohler, Wis. PROJECTORS (Electric) General Electric Co., Schenectady, N. Y. 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 Work Ss, iver Rouge, Mich. Milwaukee Dry Dock Co., Milwaukee, Wis. > Sheriffs Mfg. Co., Milwaukee, Wis. Toledo Ship ali a Co., Toledo, O. Trout, Hi. G,, 226 Ohio St., Buffalo, N. Y. PROPELLERS Bethlehem Shipbuilding Corp., Ltd., Bethlehem, Pa. Columbian Bronze Corp., Freeport, L. I., N. Y. Cramp, Wm., & Se Rae & Engine’ Idg. Co., De aiampsn Pa; Hyde Windlass es Bath, PUMPS Bethlehem Shipbuilding Corp., Ltd., Bethlehem, Pa, Great Lakes Engineering Works, River Rouge, Mich. & Machinery Corp., Worthington Pump 115 New York City. Broadway, PUMPS (Ballast) Warren Steam Pump Co., Warren, Mass. PUMPS (Bilge) Warren Steam Pump Co., Warren, Mass. WHERE TO BUY PUMPS (Boiler Feed) Superheater “ere 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 (Diaphragm) Boston & Lockhart Block Co. 123 Condor St., E. Boston, Mass. PUMPS (Direct Acting) Worthington Pump & Machinery Corp., 115 Broadway, New York City. PUMPS (Power) Worthington Pump & Machinery Corp., 115 Broadway, New York City. PUMPS (Steam-Holly Type) Worthington Pump & Machinery Corp., 115 Broadway, New York City. PUMPS (Steam) Warren Steam Pump Co., Warren, Mass. PUMPS (Vacuum) Worthington auee & Machinery Corp., 115 Broadway, New York City. PURIFICATION SYSTEMS—See WATER PURIFICATION SYSTEMS PYROMETERS | Superheater Co., The, 17 E. 42nd St., New York City. RADIO COMPASS AND DIRECTION FINDER Federal Telegraph Co., 812 Hobart Bldg., San Francisco, Cal. RADIO EQUIPMENT Radio Corp. of America, 6 Broad St., New York City. RAILWAY DRY DOCKS Crandall Engineering Co., The, 102 Border St., Boston, Mass. REFRIGERATING MACHINERY Great. Lakes Engineering Works, River Rouge, Mich. Phoenix Ice Machine Co., 2711 Church Ave., Cleveland, O. RELEASING GEARS FOR LIFEBOATS Welin Davit & Boat Corp 305 Vernon Ave., Long thine City, N.Y: Te HOOKS—See HOOKS (Releas- ing 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, III. Federal Shipbuilding & Dry Dock Co., 26 Beaver St., New York City. Great Lakes Engineering Work s, iver Rouge, Mich. Manitowoc Ship Building Corp., Manitowoc, Wis. Morse Dry Dock & Repair Co, _ Foot. of 56th St., Brooklyn, Ney. Sun Shipbuilding & Dry Dock Co., ‘Chester, Pa. Todd Shipyards Corp., 25 Broadway, New York City. Toledo Ship Buildine Co., Toledo, O REPAIRS (Marine engines) Hooven, Owens, Rentschler Co., Hamilton, O. REVOLUTION COUNTERS Cummings Machine Works, 255 Atlantic Ave., Boston, Mass. RIVETS ' Oliver Iron & Steel Corp., 10th and Muriel Sts., Pittsburgh, Pa. RIVETS (Boiler)—See BOILER RIVETS January, 1925 MUU LL LL RIVETS (Ship) Great Lakes Engineering Works River Mich. "hotige, ROPE (Manilla) Columbian Rope Co., Auburn, N. Yi: ROPE (Manila Net, Sisal, and Other Hard Fiber Cordage) Columbian Rope Co., Auburn, N. NES ROPE (Transmission) Columbian Rope Co., Auburn, N. Y. ROPE (Wire)—See WIRE ROPE ROPE OAKUM Stratford, George, Oakum Co. Jersey City, N. J. RUST PREVENTIVE (Oil) Tidewater Oil Sales Corp., 11 Broadway, New York City. Vacuum Oil Co., 61 Broadway, New York City. SCHOONERS (Auxiliary) American ong Building Co. Foot of W. 54th St., Cleveland, O. Chicago Ship Building Co., So. Chicago, Il. Milwaukee Dry Dock Co., Milwaukee, Wis. Todd Shipyards Corp., 25 Broadway, New York City. Toledo Ship Building Co., Toledo, O SEARCHLIGHTS (High Intensity) Sperry Gyroscope Co., Manhattan Bridge Plaza, Brooklyn, N. Y. SEARCHLIGHTS (Incandescent and Arc) General Electric Co., NG Y:: SECOND HAND MACHINERY—See MA- CHINERY (Second Hand) SEPARATORS (Oil) Babcock & Wilcox Co., Th 85 Liberty St., Schenectady, ¢, New York City. SHAFTING Columbian Bronze Corp., The, Freeport, L. I., SHIPBUILDERS American Ship Building Co., Foot of W. 54th St., Cleveland, O. Bethlehem Ship Building Corp., Bethlehem, Pa. Cramp, m., & Sons Ship & Engine Bldg. Co., Philadelphia, Pa. Federal ppeiane & Dry Dock Co., 26 Beaver St., New York City. Great Lakes Engineering Works, : River Rouge, Mich. Manitowoc Ship Building Corp., Manitowoc, Wis. Sun Shipbuilding & Dry Dock Co., Chester, Pa. Todd Shipyards Core, A 25 Broadway, New York Cit Toledo Ship Building ad Toledo, O é ‘ Propeller) Ne ¥: SHIPBUILDING SYSTEMS Isherwood, J. W., 7 Battery Place, New York City. SHIP LOGS Walker, Thomas, & Son, ’ Ltd., 8 Oxford St., Birmingham, England. SHIP REPAIRS Cramp, Wm., & oF Bod Engine Co., Philadel » Pa. Morse Dry Dock & 5 ees Be. Scat OF Foot of 56th St., Brooklyn, Ne: ¥; SHIP RIVETS—See RIVETS (Ship) SHIP STABILIZERS Sperry Gyroscope Co., The, Manhattan Bridge Plaza, Becaiesa. N; Ys SILENCERS Maxim Silencer Co., Homestead Ave., Hartford, Conn.