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MARINE REVIEW AND MARINE RECORD. mit] ,P.& J.A. SMITH CONTRACTORS FOR PUBLIC WORKS Dredging, Railroads, Harbor Work, Canals, Pile Driving, Bridges, Breakwaters, Submarine Dry Docks and Foundations, Pier Building. Etc., Etc. Offices: Williamson Bldg., Cleveland, 0. Following is a list of harbor charts recently issued from the United States Lake Survey Office, allin colors: Duluth and Superior Harbors, Two Harbors, Ash- land, Marquette, Milwaukee, Chicago, Muskegon, Toledo, Sandusky, Cleveland, Lorain, Fairport, Ashtabula, Conneaut, Erie, Dunkirk and Buffalo. For sale by THE MARINE REVIEW PUB. CO., 39-41 WADE BUILDING, CLEVELAND, O. NEW HARBOR CHARTS OF THE LAKES. | SHERIFFS MANUFACTURING CO. Manufacturers of PROPELLER WHEELS Marine Engines and Repairs. Milwaukee, Wis. Phone S. 163 MacKinnon Manufacturing Co. Boiler Makers, Founders and Machinists. Marine Boilers, Engines and Shipyard Machinery, Most powerful set of Hydraulic Slings on the lakes. Best towing and speed Propeller Wheels made. SPECIALTY SMALL YACHT WHEELS. Works & Office, 224-230 N. Water St., BAY CITY, MICH [Mar. 12, THE PRYOR PATENT DIPPER TOOTH For Dredges and Steam Excavators. is made entirely of open-hearth steel in two parts, a shank and a removable point. The shank is bolted onto the dipper in the usual way and re- mains stationary, while the removable point is placed over the shank and is bolted thereto. A full set of four points can be changed in from ten to fifteen min- utes, whereas it takes a much longer time to change a full set of the old- style cumbersome iron teeth. These teeth will wear 100 per cent longer than the iron teeth, steel tipped, and will increase capacity of the dredge materially in hard digging. The Pryor Patent Excavator Tooth Co., REMOVABLE POINT. HOUGHTON, MICH. ASSEMBLED, Thearle's Works pian' STANDARDS IN ENGLAND AND SCOTLAND. KNOWN AND USED WHEREVER STEEL SHIPS ARE BUILT. SEPARATE VOLUMES FOR PLATES. "Ship Building in Iron and Steel." (Plates in separate volume.) $5.25. "Ship Building and Laying Off." (Plates in separate vol- ume.) $3.00. "Theoretical Naval Architecture." (Plates in separate volume.) $3.50. THE MARINE REVIEW PUB. CO., 39-41 Wade Bldg., CLEVELAND son2] 2 a =e ee 6 me Ceo. KING IRON WORKS. BUFPAEO, N.Y, Manufacturers of Trip'e Expansion, Fore-and-Aft AND Steeple-Compound Marine Engines, Highand LowPressure Engines, Sectional Propellers, Tug and Yacht Wheels...... 6 Cowles' Aluminum and Manganese Bronze Pro- peller Wheels. y These wheels are noted for their extra speed, towing power and pro- portionate saving of coal, PRICES QUOTED ON APPLICATION, eat om TN Over 100 in successful use. Also the well known and always - reliable Woolters Gas or Gasolene Stationary Engines. ae HOISTING ENGINES Suilablefor all Boats from s: tozoo lf. | OF all kinds and sizes, and | Somewhat the cheapest, and for all purposes, especially , for ship use. Docking and Hauling Engines | Automatic Fos Whistle Machines PLC Woe CCRC CRO FOR THESE AND OTHER WELL KNOWN SPECIALTIES ADDRESS ALL INQUIRIES TO. THE CHASE MACHINE CO. Engineers and yi TTS GR TAR TRUTH AUTOMATIC TOWING MACHINES altogether the best. Positively OUT Cee " Steam Steering Engines. APRONS FN NRG PE AEN es