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74 OAKUM. Stratford, Geo., Oakum Co., Jersey City, N. J. OIL BURNERS. (Mechanical Atomizing.) ‘Moore & Scott Iron Wks., San Francisco, Cal, OIL CUPS. _ American Injector Co., Detroit, Mich. * OIL ENGINES. Bolinders Co., New York City, N. Y. OILS AND LUBRICANTS. Dixon, Joseph, Crucible Co., Jersey City, N.J. PACKING. Carey Co., The, Cleveland, oO. Home Rubber Co., Trenton, N. Je Mechanical Rubber Co., ‘Cleveland, O. PACKING. ° (Metallic.) U. S. Metallic Packing Co., The, Philadelphia. PACKING. (Sheet.) Mechanical Rubber Co., Cleveland, O. PACKING. (Steam, Air and Water.) Mechanical Rubber Co., Cleveland, O. - PAINT. (Canvas.) Products Co., Robeson Preservo Produc loan Huron, Mich. , PAINT. (Graphite.) Dixon, Joseph, Crucible Co., Jersey City, N. J. PATENT IMPROVED FURNACE BRIDGE | WALL Wager, Robert H., New York, N. yy: PATENTS. | Siggers & Siggers, Washington, D. C. PIG IRON. Hanna, M. A., & Co., Cleveland, O. Pickands, Mather & Co., Cleveland, O. PIPE. (Welded Steel.) Works, The, Borough of Brooklyn, N. Y. PIPE BENDING MACHINES. Cox, J, Fillmore; Engrg. & Tube eae Machine Works, Bayonne, N. J. Continental Iron PIPE WELDING. ae Goldschmidt Thermit Co., New York, N. Y. PLUMBAGO. a Dixon, Joseph, Crucible Co., Jersey Gity, N. ne PNEUMATIC TOOLS. . Independent Pneumatic Tool Co., Chicago, Ill. PNEUMERCATORS. Pneumercator Co., The, New York City. PORTABLE JACOB’S LADDERS. McArthur Portable Fire Escape & Jacob’s Ladder Co., Cleveland POWER PLANTS. General Electric Co., Schenectady, N. Y. PROJECTORS, (Electric.) General Electric Co., Schenectady, N. Y. PROOFINGS. a (Canvas. ) “Robeson Preservo Products Co., ian ort Huron,. Mich. PROPELLER BLADES. Sheriffs Mig. Co., Milwaukee, Wis. * PROPELLERS. (Screw.) American Screw Propelier Co., Philadelphia. PROPELLER WHEELS. American Ship Building Co., Cleveland, O. WHERE TO BUY Baltimore Dry Dock & Shipbuilding Co., Baltimore, Md. Detroit Ship Building Co., Detroit, Mich. Fore River Ship Building Corp., Quincy, Mass. Milwaukee Dry Dock Co., Milwaukee, Wis. Roelker, H. B., New York City, N. Y. Sheriffs Mfg. Co., Milwaukee, Wis. Superior Ship Bldg. Co., Superior, Wis. Toledo Ship Building Co., Toledo, O. Trout, H. G., Co., Buffalo, N. Y. PUMPS, Boston & Lockport Block Co., E. Boston, Mass. PUMPS. (Bilge.) Blackmer Rotary Pump Co., Petoskey, Mich. PUMPS. (Miscellaneous Use.) Blackmer Rotary Pump Co., Petoskey, Mich. Kingsford Fdy. & Mch. Co., Oswego, N. Y. Roelker, H. B., New York City, N. Y. Van Duzen, The E. W., Co., Cincinnati, O. PUMPS. (Steam, for Purification Apparatus.) Gardner Governor Co., Quincy, IIl. PUMPS AND APPLIANCES. Air.) Kingsford Fdy. & Mch. Co., Oswego, N. Y. PURIFICATION SYSTEM PUMPS. Gardner Governor Co., Quincy, Ill. PURIFICATION SYSTEMS. (Water.) Jewell Polar Co., Chicago, Ill. Schutte & Koerting, Philadelphia, Pa. Standard Water Systems Co., Hampton, N. J. PYROMETERS. . Locomotive Superheater Co., New York, N. Y. RAFTS. Detroit Shipbuilding Co., Detroit, Mich. Drein, Thomas, & Son, Wilmington, Del. Lane, C. M., Life Boat Co., Brooklyn, N. Y. REFRIGERATING MACHINERY. Clothel Co., The, New York City, N. Y. Peerless. Ice Machine Co., Chicago, IIl. Roelker, H. B., New York City, N. Y. REGISTERING INSTRUMENTS. (Draft.) Pneumercator Co., The, New York City. REGULATORS. (Preéssure.) Ross. Valve Mfg. Co., Troy, N. Y. RELEASING DEVICE. (Life Boat.) : Mulholland Hatch-Fastener Co., Cleveland, O. REPAIRS. (Boiler.) Commercial Boiler Wks., The, Seattle; Wash. REPAIRS. (Marine.) American Ship Building Co., Cleveland, O. Baltimore Dry Dock & Ship Bldg. Co., Baltimore, Md. Buffalo Dry Dock Co., Buffalo, N. Y. Chicago Ship Building Co., So. Chicago, Ill. Collingwood Ship Bldg. Co., Ltd., Collingwood, Ont., Can. Delaney, P., & Co., Newburgh, N. Y. Detroit Ship Building Co., Detroit, Mich. Fore River Ship Bldg. Corp., Quincy, Mass. Goldschmidt Thermit Co., New York City. Johnston Bros., Ferrysburg, Mich. Manitowoc Ship Building Co., Manitowoc, Wis. Milwaukee Dry Dock Co., Milwaukee, Wis. Pennsylvania Ship Building Co., Philadelphia. St. Lawrence Marine Ry. Co., Ogdensburg, N. Y. Seattle Construction & Dry Dock Co., Seattle, Wash. Superior Ship Bldg. Co., Superior, Wis. Tietjen and Lang Dry Dock Co., Hoboken, N. J. Toledo Ship Bldg. Co., Toledo, O. March, 1917 REVOLUTION COUNTERS. Ship Instrument Works, Boston, RIGGING. : hipbuilding Co. Baltimore Dry Dock & Shipbulowmg ore. STEAMERS. Works., Phacleston; W. Va. Cummings Md. RIVER Ward, The Chas., Engrg. ROPE, Durable Wire Rope Co., Boston, Mass. Williams, Wm. E., New York, N. Y. . ROPE. (Manila.) terb Co., New York City, N. Y. Te wa, E., New York City, N. Y. ROPE. (Wire.) Waterbury ‘Co., New York, N. Y. Williams, Wm. E., New York City, N. Y. ROPE DRESSING. Dixon, Joseph, Crucible Co., Jersey City, N. J. . ROPE DRIVES. Waterbury Co.. New York City, N. Y. ROPE AND FITTINGS. Durable Wire Rope Co., Boston, Mass. SCHOONERS. (Auxiliary.) American Ship Building Co., Cleveland, oO. Baltimore Dry Docks & Ship Building Co., Baltimore, Md. Bath Iron Works, Bath, Me. Buffalo Dry Dock Co:, Buffalo, N. Y. Chicago Ship Building Co.,. South ‘Chicago, Ill. Collingwood Ship Builting Conibtd., — ; ollingwood, Ont., Can. Detroit Ship Building Co., Detroit, Mich. Fletcher, W. & A., Co., Hoboken, N. J. Fore River Ship Bldg. Corp., Quincy, Mass. Howard Shipyards & Dock Co., Jeffersonville, Ind. Johnston Bros., Ferrysburg,. Mich. : Manitowoc Ship Building: Co., Manitowoc, Wis. Milwaukee Dry Dock Co., Milwaukee, Wis. Moore & Scott Iron Works, San Francisco, Cal. Seattle Const. & Dry Dock Co., Seattle, Wash. Superior Ship Building Co., Superior, Wis. Toledo Ship Building::'Co., Toledo, O Tietjen and Lang Dry Dock Co., Hoboken, N. J. SCREW PROPELLERS. American Screw Propeller Co., Philadelphia. . SCREW PROPELLERS. (Manganese Bronze.) American Manganese Bronze Co., Holmesburg, Pa. SEARCHLIGHTS. General Electric Co., Schenectady, N. Y. Engberg’s Electric & Mechanical Works, St. Joseph, Mich. SEPARATORS. (Oil and Water.) Anderson, The V. D., Co., Cleveland, O. SHEATHING FELT. Stratford, Geo., Oakum Co., Jersey City, N. J. SHEAVE LUBRICATING DEVICE. Mulholland Hatch-Fastener Co., Cleveland, O. SHEAVES.. Boston & Lockport Block Co., East Boston, Mass. SHEET IRON WORK. Comniercial Boiler Works, The, Seattle, Wash. SHIP BUILDERS. American Ship Bldg. Co., Cleveland, O. Baltimore Dry Docks & Ship Bldg. Co., Baltimore, Md. Bath Iron Works, Bath, Me. Buffalo Dry Dock Co., Buffalo, N. Y. Chicago Ship Building Co., South Chicago, Ill. Collingwood Ship Building Co., Ltd., : : Collingwood, Ont., Can. Detroit Ship Building Co., Detroit, Mich. Fletcher, W. & A., Co., Hoboken, N. J. Fore River Ship Bldg. Corp., Quincy, Mass. See Index to Advertisements for pages containing advertisements of companies listed above