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ci seem CALKING COTTON Stratford, Geo., Oakum Co., 165 Cornelison Ave., Jersey City, N. J. CALKING HAMMERS (Pneumatic) Cleveland Pneumatic Tool Co., Cleveland, 0. Indepen. Pneu. Tool Co., 600 Jackson Blvd., Chgo. Ingersoll-Rand Co., 11 Broadway, New York City. CAM SHAFTS Camden Frg. Co., 8th and Bulson Av., Camden, N. J. CANVAS ROOFINGS Robeson Preservo Co., ; : 401 White Block, Port Huron, Mich. CAPSTANS Carpenter, Geo. B., & Co., 436 N. Wells St., Chgo. Chase Mach. Co., The, 2313 Elm St., N. W., Clevd. Dake Engine Co., Grand Haven, Mich. Superior Iron Works Co., Superior, Wis. CAPSTANS (Cast Iron) Central Foundry Co., 90 West St., New York. CARDED OAKUM : : Stratford, Geo., Oakum Co., Jersey City, N. a CASTINGS Atlas Steel Casting Co., Buffalo, N. Y. Collingwood Ship Bldg. Co., Collingwood, Ont. Crane Co., The, 836 8. Michigan Ave., Chicago. Great Lakes Engineering Works, Detroit, Mich. Hardie-Tynes Mfg. Co., Birmingham, Ala. Harsch, John, Bronze & Foundry Co., Cleveland. Hooven, Owens, Rentschler Co., Hamilton, 0. ‘Sun Shipbldg. Co., 1428 S. Penn Saq., Philadelphia Thacher, Geo. H., Co., Albany, N.Y. United Engineering & Foundry Co., Pittsburgh, Pa. Wellman-Seayer-Morgan Co., Cleveland, 0. Wheeling Mold & Foundry Co., Wheeling, W. Va. CASTINGS (Aluminum, Brass, Manganese) Harsch, John, Bronze & Foundry Co., Cleveland. CASTINGS (Bronze) : American Mang. Bronze Co., Holmesburg, Phila. Harsch, John, Bronze & Foundry Co., Cleveland. Hooven, Owens, Rentschler Co., Hamilton, 0. CASTINGS (Steel) ; American Steel Foundries, Chicago, Ill. Atlas Steel Casting Co., Buffalo, N. Y. CHAINS American Chain Co., Inc., Bridgeport, Conn. Carpenter, Geo. B., & Co., 4836 N. Wells St., Chgo. Hobbs, Clinton E., Co., Boston, Mass. CHAINS (Marine) American Chain Co., Inc., Bridgeport, Conn. CHAINS (Ship Cable) American Chain Co., Inc., Bridgeport, Conn. CHAINS (Steering Gear) American Chain Co., Inc., Bridgeport, Conn. CHAINS (Stud Link) American Chain Co., Inc., Bridgeport, Conn. Liberty Steel Pro. Co., Woolworth Bldg., N. Y. C. CHIPPING HAMMERS (Pneumatic) Chicago Pneu. Tool Co., 1097 Fisher Bldg., Chgo. Cleveland Pneumatic Tool Co., Cleveland, 0. CHISEL BLANKS (Pneumatic) ; . Chicago Pneu. Tool Co., 1097 Fisher Bldg., Chgo. | Cleveland Pneumatic Tool Co., Cleveland, 0. ' Indepen. Pneu. Tool Co., 600 Jackson Blyd., Chgo. Rothweiler & Co., Seattle, Wash. CHOCKS Thacher, Geo. H., Co., Albany, N. Y. *. CIRCULATORS (Boiler) Eckliff Circulator Co., 54 Shelby St., Detroit, Mich. McNab Co., Bridgeport, Conn. CLASSIFICATION SOCIETY American Bureau of Shipping, New York City. CLEATS Thacher, Geo. H., Co., Albany, N. Y. CLEATS (Cast Iron) Central Foundry Co., 90 West St., New York. CLINCH RINGS Liberty Steel Pro. Co., Woolworth Bldg., N. Y. C. Malleable Iron Fittings Co., Branford, Conn. . COAL HANDLING MACHINERY (See Machinery, Coal Handling) COAL (Producers and Shippers) Hall, Geo., Coal & Trans. Co., Ogdensburg, N. Y. Hanna, M. A., & Co., Cleveland, 0 Loain Coal & Dock Co., Columbus, 0. Pickands, Mather & Co., Cleveland, 0. COATINGS Amer. Bitumastic Enam. Co., 17 Battery Pl., N.Y.C. COLUMNS (Water) Anderson, The V. D., Co., Cleveland, 0. COMPASSES Ritchie, E. S., & Sons, Brookline, Mass. Sperry Gyroscope Co., Brooklyn, N. Y. Taylor Instrumental Companies, Rochester, N. Y. COMPRESSORS (Air) Chicago Pneu. Tool Co., 1097 Fisher Bldg., Chgo. Hooven, Owens, Rentschler Co., Hamilton, 0. Kroeschell Bros., Ice Machine Co., Chicago, Ill. Norwalk Iron Works Co., South Norwalk, Conn. COMPRESSORS (Gas) Norwalk Iron Works Co,, South Norwalk, Conn. CONDENSERS Great Lakes Engineering Works, Detroit, Mich. Smart-Turner Machine Co., Ltd., 191 Barton St., East, Hamilton, Ont., Can. Union Steam Pump Co., Battle Creek, Mich. Wheeler, C. H., Mfg. Co., Philadelphia, Pa. Westinghouse Elec. & Mfg. Co., E. Pgh., Pa. CONDENSER SHELLS (Welded Steel) Cont’ntal Iron Wks., West and Calyer Sts., Brooklyn Westinghouse Elec. & Mfg. Co., BE, Pgh., Pa, CONDUIT FITTINGS (Water Tight) Crouse-Hinds Co., Syracuse, N. Y. CONVEYORS Canadian General Electric Co., Ltd., Toronto, Ont. General Electric Co., Schenectady, N. Y. COOKING APPARATUS Bramhall, Deane Co., 263 B. West 36th St., New York City. CORDAGE Carpenter, Geo. B., & Co., 486 N. Wells St., Chgo. CORDAGE (Manila, Sisal and Other Hard Fiber Rope) Waterbury Co., 63 Park Row, New York, N. Y. Whitlock Cordage Co., 46 Church St., New York. CORK JACKETS AND CORK RINGS Williams, Wm. E., New York, N. Y. COTTON Stratford, Geo., Oakum Co., Jersey City, N. J. COUNTERSINKING MACHINES (Portable) Shipbuilder’s Machinery Co., Inc., Seattle, Wash. CRANES (Electric Traveling, Jib, Hand) American Engineering Co., Philadelphia, Pa. Canadian General Electric Co., Ltd., Toronto, Ont. Chesapeake Iron Works, Baltimore, Md. Dravo Contracting Co., Engrg. Works Dept., Pittsburgh, Pa. General Electric Co., Schenectady, N. Y. Lakeside Bridge & Steel Co., 121 Villard St., Milwaukee, Wis. Milwaukee Elec. Crane & Mfg. Co., Milwaukee. Shepard Electric Crane & Hoist Co., Montour Falls, N. Y. Wellman:-Seaver-Morgan Co., Cleveland, 0. Whiting Foundry Equipment Co., Harvey, Il. CRANES (Hydraulic) United Engineering & Foundry Co., Pittsburgh, Pa. CRANES (Locomotive) Milwaukee Elec. Crane & Mfg. Co., Milwaukee. CRANES (Steam, Electric, Gasoline) Dravo Contracting Co., Engrg. Works Dept., Pittsburgh, Pa. CUTTERS (Pipe) Curtis & Curtis Co., 525 Garden St., Bdgep’t, Conn. CUTTING AND WELDING (Electric Arc) Pioneer Boiler Works, Bard and Merchant Sts., Port Huron, Mich. Westinghouse Elec. & Mfg. Co., E. Pgh., Pa. Wilson Welder & Metals Co., 2 Rector St., New York City. CUTTING AND WELDING (Oxyacetylene Process) Linde Air Pro. Co., 42d St. Bldg., N. Y. C. Oxweld Acetylene Co., Newark, N. J. CYLINDERS (Welded) Continental Iron Works, The, Brooklyn, N. Y. DAVITS AND DAVIT FALLS American Balsa Co., Inc., 50 East 42nd St., New York City DECK BOLTS Bayonne Bolt & Nut Co., Bayonne, N. J. Milton Mfg. Co., Milton, Pa. Liberty Steel Pro. Co., Woolworth Bldg., N. Y. C. DECKING (Marine) Marine Decking & Supply Co., 1011 Chestnut St., Philadelphia. DERRICKS Carnegie Stéel Co., Pittsburgh, Pa. DERRICKS (Steel) Lakeside Bridge & Steel Co., 121 Villard St., Milwaukee, Wis. DIES Curtis & Curtis Co., 525 Garden St., Bridgeport, Conn. Keller Pneumatic Tool Co., Grand Haven, Mich. DIE BLOCKS Heppenstall Forge & Knife Co., 47th and Hatfield Sts., Pittsburgh, Pa. April, 1919 IUOCUUNAUUUNULANES LONER DISTILLING APPARATUS (Water) Griscom-Russell Co., « 9121 West St. Bldg., New York City.. Schutte & Koerting Co., 12th and Thompson St., Philadelphia. DIVING APPARATUS Morse. Andrew L. & Son, Inc., 521 High St., Boston, Mass. DRAFT (Artificial and Mechanical for Boilers) American Blower Co., Detroit, Mich. American Ship Building Co., Cleveland, 0. Great Lakes Engineering Works, Detroit, Mich. Howden, James & Co., Ltd., Wellsville, N. Y. Reid, John, & Co., 30 Church St., New York City. DRAG LINE EXCAVATORS Dravo Cont. Co., Engineering Wks. Dept., Pgh., Pa. DRAWING MATERIALS N. Y. Blue Print & Paper Co., 102 Reade St., New York DREDGING MACHINERY American Engrg. Co., Philadelphia, Pa. Dravo Cont. Co., Engineering Wks. Dept., Pgh., Pa.. Great Lakes Engineering Works, Detroit, Mich. Morris Machine Works, Baldwinsville, N. Y. Superior Ship Building Co., Superior, Wis. DREDGING OUTFIT CONSTRUCTORS Buffalo Dry Dock Co., Buffalo, N. Y. Dravo Contracting Co., Engrg. Works Dept., Pittsburgh, Pa. Morris Machine Works, Baldwinsville, N. Y. DRILLS (Air) ; Chicago Pneu. Tool Co., 1097 Fisher Bldg., Chgo. Cleveland Pneumatic Tool Co., Cleveland, 0. DRILLS (Electric) Indepen. Pneu. Tool Co., 600 Jackson Blvd., Chgo. Ingersoll-Rand Co., 11 Broadway, New York City. DRILLS (Pneumatic) Indepen. Pneu. Tool Co., 600 Jackson Blvd., Chgo. Ingersoll-Rand Co., 11 Broadway, New York City. .DROPS (Wharf) American Engineering Co., Philadelphia, Pa. DRY DOCKS Alabama Dry Dock & Shipbldg. Co., Mobile, Ala. American Ship Building Co., Cleveland, 0 Baltimore Dry Dock & Shipbuilding Co., Locust Point, Baltimore, Md. Buffalo Dry Dock Co., The, Buffalo, N. Y. Chicago Ship Building Co., Chicago, Ill. Collingwood Ship Bldg. Co., Ltd., Collingwood, Ont., Cam. Detroit Ship Building Co., Detroit, Mich. Foundation Co., The-Port Huren Shipyards, Inc., Port Huron, Mich,. . Great Lakes Engineering Works, Detroit, Mich. Manitowoc Ship Building Co., Manitowoc, Wis. Milwaukee Dry Dock Co.,- Milwaukee, Wis. Rocky River Dry. Dock Co., Rocky River, 0. Sun Shipbuilding Co., 1428 So. Penn Sq., Phila.. Superior Ship Building Co., Superior, Wis. Tietjen & Lang Dry Dock Co., Ft. of 17th St., Hoboken, N. J. Todd Dry Docks, Inc., Harbor Island, Seattle, Wash. Toledo Ship Building Co., Toledo, 0. DRY DOCK PACKING Voorhees Rubber Co., 20-56 Bostwick Ave., Jersey City, N. J.. DUCK (Canvas and Cotton) Stanley, William W., 50 Church St., New York City... DYNAMOS Canadian General Electric Co., Ltd., Toronto, Ont.. General Electric Co., Schenectady, N. Y. ECCENTRIC SHAFTS Camden Forge Co., 8th and Bulson, Camden, N. J.. Heppenstall Forge & Knife Co., 47th and -Hatfield Sts., Pittsburgh, Pa.. EJECTORS American Injector Co., 176 14th St., Detroit, Mich. Westinghouse Elec. & Mfg. Co., E. Pgh., Pa. EJECTORS (Ash) Great Lakes Engineering Co., Detroit, Mich. ELECTRICAL DEVICES Benjamin Electric Mfg. Co., Chicago, Il. Bryant Electric Co., Bridgeport, Conn. ELECTRICAL EQUIPMENT American Blower Co., Detroit, Mich. Benjamin Electric Mfg. Co., Chicago, Il. Bryant Electric Co., Bridgeport, Conn. Crouse-Hinds Co., Syracuse, N. Y. Livingston, J., & Co., Inc., Grand Central Terminal, New York, N. Y.. Westinghouse Elec. & Mfg. Co., E. Pgh., Pa. ELECTRICAL RECEPTACLES Bryant Electric Co., Bridgeport, Conn.