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8 MARINE REVIEW AND MARINE RECORD. [Apr. 30 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. NAVIGATION SIMPLIFIED. Not an elaborate technical work--justan assistant for the seaman and a book of valuable plain instruction for beginners. Contains problems required in examinations that are given by government inspectors to masters and. mates of sea-going vessels. Published by C. E. MacArthur. CLOTH BINDING, $1.25. PAPER BINDING, $1.00. THE_MARINE REVIEW PUB. CO., 39-41 WADE BLDG., EET EGBND A, 0. eo eee net ete ' ® ESTABLISHED 1854 SHERIFFS' For Tie Boat Use. | Easy to adjust, and can be | 8 handled by any one. MANUFACTURED BY ) SHERIFFS MFG. CO., Milwaukee, Wis. @ oe @ ®] @2 ® @ 2@® 2] 8 @ 2 8] 2] @] eb @]382 2 ; ; | | : 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., BAYCITY, MICH GASOLENE MARINE ENGINES Over 100 in successful use. Also the well known and always |= -- for shi ROEM Tue CCK ECO ree UCM eT nt arnt TCO C CR RL OMe Ces Stationary iets '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 Sara 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. a . : 2 = S71? The Pryor Patent : Excavator Tooth Co., REMOVABLE Ls) POINT, HOUGHTON, MICH. HOISTING ENGINES | Suitable for all Boats from: to200lP | OF all-kinds and sizes, ae Somewhat the cheapest, and for all purposes, especially | altogether the best. UN KY om suaranteed. a ies iia Windlasses. FOR itis aN Le LS WELL WaT A! SPECIALTIES PAV) TRL Oo INQUIRIES TO. PCC RCO Re mecnttteae rt arto ce Cersntin Onto. CAR HAULAGE ENGINES 1 Special Dredge Engines for handling Dump Scow Lines. SUPERIOR IRON WORKS West Superior, Wis. = ea =e eee HoH. G TROUT, KING IRON WORKS, BUBRALO, N.Y. Manufacturers of Trip'e Expansion, Fore-and-Aft AND Steeple-Compound Marine Engines, High and LowPressure Engines, Sectional Propellers, Tug and Yacht Wheels...... 9° Cowles' Aluminum and Manganese Bronze Pro- peller Wheels, These wheels are noted for their extra speed, towing power and pro- portionate saving of coal, PRICES QUOTED ON APPLICATION, GQ 02 0G 2022382202 2 me @ AUTOMATIC TOT MACHINES Steam Steering ane