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er HE «ice machine, shown in the : accompanying illustration, is man- ufactured by the Peerless Ice Ma- chinery, Co., Chicago. It is claimed that this machine, which works automatically, contains all the refrigerating factors of the ordinary refrigerating machine except the expansion coils and brine tanks. The automatic machine takes, up considerably less space than is occupied by the brine refrigerating apparatus. In the smaller models of lesser capacity the motor is generally placed on top of the ma- chine. In a bulletin devoted to the subject of ice-refrigerating machinery, the company shows how the ice machine may be adapted to various lines of busi- ness. The booklet also contains various tables of sizes, weights, dimensions and outputs. The dimensions of the ma- chine in the illustration are 42 x 32 inches, and 59 inches high. It weighs 5,875 pounds. The American Screw Propeller Co., Philadelphia, designers of propellers by the Dyson method, states. that during the first eight months of the existence of this company propellers have been designed or ordered designed for 91 vessels of various kinds, including 21 RSG Fi 00K i bulk oil steamers, 18 cargo and _ pas- senger steamers, four tugs, six private yachts and 42 small craft such as motor boats, speed cruisers, hydroplanes, etc. New Steering Gear The Hyde Windlass Co., Bath, Me., recently designed a new type of electro- hydraulic steering gear, in which electric motors in duplicate. furnish power to specially -constructed hydraulic pumps, which actuate hydraulic rams. The lat- ter are connected to the rudder cross- head. This type of steering gear has been designed primarily for installation on the scout cruisers, battle cruisers and battle ships provided for in the new naval schedule. Later the company ex- pects to put these steering gears on the market for use in merchant vessels. The Hyde Windlass Co. also has de- veloped a new type of cargo winch. The intention was to make as nearly “fool- proof” a machine as possible and as a result, the new winch is of exceedingly compact construction. A departure from the usual construction is: the use of reverse valves instead of. links. The company has delivered about 75 winches and has orders for about 175: more. Corrderst11g Col/ So, 9/8 &SO)9): IN ! im, SSssssssssy SsSssssssss 9 || A de ~ See VE Lhithhdidded ttihithitizeiizt 7 ff 4) ee S gras CLLLLIS NS ll yr 4 ‘ <i [| N Nssssssd s ead SECTIONAL VIEW OF 5-TON ICE-MAKING MACHINE my my NAT Ammon. /a r¢ cee acc iF zm WL), LLY = a | TECELVES SHOWING MOTOR MOUNTED ON FRAME 442 Z| —————— I ee the Trade Pertinent Suggestions and Personal Gomes : AAA The Hyde company recently secured the exclusive rights to manufacture the McGregor hydraulic rudder control in this country. This device was developed and in the past has been manufactured exclusively by McGregor’s Port Glasgow Engineering Works, Glasgow, Scotland. Large Bronze Propellers The Hyde Windlass Co., Bath, Me., recently cast some exceedingly large pro- pellers. About a year ago, a 4-blade propeller, 19 feet 6 inches in diameter, was turned out for the: steamship CuIPANA, owned by W. R. Grace & Co. This propeller was cast in manganese bronze and the casting weighed 26,000 pounds in the rough and 24,500 pounds after being finished. The company has just completed a 4-blade manganese- bronze propeller, 18 feet in diameter, which will drive a 12,000-ton vessel owned by the Isthmian. Steamship Co. This casting weighed 20,000 pounds in the rough and 26,000 pounds of metal were fnelted to pour it. New Vessel Broker The Chicago Steamboat Exchange, W. K. Greenebaum, manager, has opened offices at 350 North Clark street, Chicago, for the purpose of engaging in a general vessel bro- kerage business, specializing on Great Lakes steamers. A number of trans- fers have already been effected through the efforts of this company. The Eckliff Automatic Boiler Circu- lator Co., Detroit, Mich., recently ap- pointed Paul H. Coop as western rep- resentative, with office in the Hobart building, San Francisco, Cal. Mr. Coop is well known on the west coast, hav- ing successfully handled several en- gineering projects. James Guthrie announces the opening of an office in the Erie building, Cleve- land. Mr. Guthrie will engage in con- sulting marine engineering, specializing on problems of lake navigation. Detroit, barge from San Juan, P. R., sunk in the Delaware river off Phila- delphia, has been pumped free of her cargo of 250,000 gallons of molasses by the wreckers, the Merritt-Chap- man Derrick & Wrecking Co. The work of raising the vessel has started.