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146 is switched over to kerosene. Two sep- arate carburetors are used, one for. gasoline and the other for kerosene. The exhaust heat is used for vaporizing the kerosene, the kerosene being drawn in around the exhaust chamber and into the same carburetor pipe as the gasoline vapor. Water is introduced into the kerosene vapor to increase the smooth running qualities of the engine on kero- sene and to prevent carbon deposits from forming on the piston and cylinder. Wolverine Engine The harbor of Erie is one of the finest on Lake Erie and gasoline boats with Fulton engines are quite popular there. One of them, the Irene Beck, carrying 50 passengers, operated con- tinuously during the season of 1912, run- ning from 5 to 15 hours oy without a hitch. The - AWslvcine- Motor Works, rine engines in sizes of 12 to 100 HP. They have practically sent them all over | the world. For instance, the Gilda, 25 ft. long and 8 ft. beam, equipped with ~ a 5-H. P. Wolverine engine, is oper- ating in Spanish 'Honduras, where she is doing service in a variety of ways. Recently she towed 53 mahogany logs, an aggregate of 50,000 ft. of lumber, a distance of three miles in 45 minutes. - The St. Charles, a French fishing oe operating: 'from La Rochelle, France, - equipped with. a 36-H. P. Wolverine en- gine and is' "frequently employed to tow other vessels out to the fishing grounds. The Wolverine engines are of the pours cycles type. ¢ , The inland watérways - of Europe, pierced as the country is with innumera- ble canals, afford a great field for the gasoline engine, and the- Wolverine: is frequently to be encountered doing the work that was formerly done either by men or horses in towing barges along the canals. The light draught freighter, St. Lucie, : of Palatka, Fla, is equipped with a 75-H. P. Wolverine engine, operating in connection with a suction gas producer. athe St. Lucie was formerly a stern wheel proposition, but not being satis- factory,. was remodeled into a vessel of the tunnel type. very successfully. The schooner Dr. Lykes, owned by the Crosland Steamship Co., operating between Miami and Key West, Fla., 110 ft. long and 22 ft. beam, is also equipped with a 75-H. P. Wolverine engine and suction gas producer. This engine in combination with a gas producer is found on a number of vessels on Euro- pean rivers. The Wolverine engine has proved quite Inci, Bridgeport, Conn., have had unusual suc- cess with their line of heavy duty ma= . She is now operating | THE MARINE REVIEW successful as an auxiliary. For in- stance, the schooner George B. Cluett took a load of fish from Labrador to Rio de Janeiro and returned with a ship load of cocoanuts to Philadelphia in very good time. The Wolverine en- gine has also proved quite popular in the fruit business in Central and South America, the company having recently shipped two 50-H. P. engines to Mexico for use in that trade. The fact that the order for the two engines came from the same firm that formerly pur- chased a 36-H. P. Wolverine engine, re- quires no comment. The company recently shipped a car- load of engines to its representative at Vancouver, B. C. Fairbanks, Morse & Co., Chicago, are making a two-cycle, three-port gasoline marine engine in three types. These types differ only in the method of con- struction, the principle of operation be- ing the same in each. The type E en- gine is made with a solid cylinder head in two sizes only. The type G engine is made with a removable cylinder head in four sizes. The latest type, K, is built in two sizes, and is made with removable cylinder head and cylinders cast separately from the crank case. The company holds the two-cycle type to be the simplest so far developed in gas engine practice. every revolution, coupled with the fact that there are no valves or complicating mechanism, makes it preferable of the four-cycle type for some purposes. The company has adopted the three-port type, -believing that the three-port engine, when properly designed, is more eco- nomic and will run faster and develop more power than the type which has a check valve in the base. This company, one of the oldest in the United States, furnishes a guarantee with every engine that it puts out. The Sterling Engine The smallest type of engine built by the Sterling Engine Co., Buffalo, N. Y., is a two-cylinder, long-stroke, slow-speed design of great flexibility and built es- pecially for heavy and continuous work, vanginge from 8-10 H. P. to 12-15 H. P. The engines have a range of from 200 to 600 R. P. M., and develop their rated horsepower at from 400 to 500 R. P. M. The oiling system is of the mechanically operated force feed type. The tubes lead to each cylinder and to all main bearings. They are very suitable for fishing boats, auxiliaries, family launches and cruisers. A great many of them have been installed in tenders attached to warships, notably the cruisers Birm- ingham and Salem. The company also builds an eight- cylinder, 100-H. P., heavy duty engine for commercial purposes. The company Having an impulse at April, 1913 believes that eight cylinders of medium bore produce a smoother running ma- chine and with less vibration than an engine of perhaps equal power, but with fewer cylinders of large piston diameter. This type of engine is installed in the steel cruiser, Elmasada II, owned by Daniel Good, of Buffalo, N. Y., and they are also installed in a number of seq- going cruising yachts. The Clifton Motor Works, 229-231 East Clifton avenue, Cincinnati, O., are putting out an engine of a medium weight type, suitable for heavy duty service. The chief feature of this en- gine is the accessibility of its working parts. The valves, valve lifters, cams and cam shafts may be removed without. having to take down a number of other pieces. The pistons may be removed without taking off a cylinder head or removing a cylinder head. This engine has enjoyed quite an extensive sale in such remote countries as New Zealand and South Australia. The Gray Motor Co., Detroit, Mich, manufacture a 6-H. P. Model R gasoline 'engine, which is used on many fishing. boats, especially in the waters of Prince Edward Island, where the fishing in- dustry is very extensive and where a reliable and rugged engine is essential. Their 24-H. P., double-cylinder engine has proved itself to be exceptionally good in commercial boats of the paddle wheel type. This type of engine of but 36 H. P. operates a large paddle wheel ferry steamer at Niobrara, Nebraska, for the Niobrara Ferry Co. The Anderson Engine Co., 140 South Dearborn street, Chicago, Ill, have in- stalled their gasoline engines in a num- ber of work boats in size from 50 H. P. to 100 H. P. Among the firms using this type of engine for marine service are, G. W. Harper & Son, Whitestone, Va.; Capt. W. J.: Thornton, St. Peters- burg, Fla.; J. E. Lindsey, Gananoque, Ont.; Charles M. Solheim, Great Kills S. I, and Fred Schram, 313 Maple street, Milwaukee, Wis. The engineer-in-chief of the United States navy has made plans to expend not more than $250,000 during the next year for the development of a type of heavy oil engine. It is pro- posed to purchase plans abroad and build the engine at the New York navy yard for installation in the new collier Maumee, C. P. Steinmetz, of the General Electric Co., Schenectady, N. Y., was awarded the Elliott Cresson gold medal through the Philadelphia Frank- lin Institute for the successful applica- tion of analytical method to the solu- tion of numerous problems in electri- cal engineering.