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December, 1925 Aloha is the lightest in weight of its kind ever built and, by careful dis- tribution of machinery, will give the yacht better trim and increase her speed and cruising radius. An interesting exhibit was displayed by the Peabody Engineering Corp. in their new combination pulverized coal and oil burner. It is possible to shift from pulverized coal for fuel to oil with very little trouble and in a very short time. Great interest was shown in this burner and it is believed that it has an exceptional future in view of the mounting price of oil. The Peabody viscosity regulator which is a new instrument for determining the most important characteristic of oils was also displayed. Its usual line of excellent ship equipment was_ ex- hibited by the Hyde Windlass Co., Bath, Me., and a hydro-electric steer- ing gear was demonstrated in opera- tion. There was also shown a Hyde electric telemotor, rudder indicator and electric engine order telegraph and reply. The De Laval Separator Co. exhibited a regular type of De Laval oil purifier used for lubricat- ing oil on board ship. The new De Laval vapor light fuel oil purifier equipped with closed connections. at inlet and outlet points, and with gasketed cast aluminum covers pre- venting the escape of vapor, making it possible to purify fuel oil above its flash point temperature, was also. shown. Electric marine galley and _ bake shop equipment was exhibited by the Edison Electric Appliance Co. A fea- ture of this equipment was the elec- tric marine range which is made por- MARINE REVIEW table so that it can be knocked down for moving through narrow compan- ion ways. A steel anchor chain cable made by a process of casting one link into an- other instead of the old forging method of welding each link was ex- hibited by The National Malleable & Steel Castings Co., Cleveland. This method was first developed during the war and has become so successful that most recent ships including the MALOLo have been or will be equipped with this type of anchor chain cable. Wide Range of Equipment The Diamond Power Specialty Co. had an interesting exhibit of soot blowers as well as rear end and rear end front operated types of blow- ers for Scotch marine boilers. About 80 vessels of various types yearly are having the old system of steam hose or brushes replaced by this type. Fairbanks, Morse & Co., exhibited one, 120 horsepower type “CO” four cylinder reversible heavy duty diesel type oil engine, one 15 horsepower generating set, and a direct connected air compressor and motor driven cen- trifugal pumping unit. This exhibit was very well planned and all of the equipment showed up to very good advantage. ‘Accessory .engine room equipment, including a feed water heater, multi- whirl filter and grease extractor, a 55 gallon evaporator’ set, bentube evaporator section, Riley submerged type evaporator for distilled water on ships and a Riley oil heater were displayed by the Griscon-Russell Co. The Marine Decking and Supply Co. THE WESTINGHOUSE CO., THE WINTON ENGINE CO. AND THE AMERICAN EN- GINEERING CO. EACH EXHIBITED AS SHOWN IN THIS VIEW, THE ACTUAL DIESEL-ELECTRIC PROPULSION, AND THE HYDROELECTRIC WINDLASS AND THE STEERER FOR THE FAMOUS SEA-GOING YACHT ALOHA. CENTRI- FUGE EQUIPMENT FOR THIS YACHT WAS DISPLAYED BY THE SHARPLES SPECIALTY CO., BUT NOT SHOWN IN THIS VIEW 455 COL. E. A. SIMMONS President American Marine Association, Inc. showed a complete line of its types of decking in various designs and colors. This company has _ received the order for supplying the decking for the MALoLo. A presurtite super centrifuge used for the clarification of diesel engine oil, and the standard open type machine used for the clari- fication of used lubricating oil were displayed with excellent effect by the Sharples Specialty Co., Philadelphia. The Foster Specialty Co., New York, had an interesting exhibit of the Foster marine super heater elements, Foster manhole fittings for boilers and Foster boiler tube cutters. The Diehl Mfg. Co., Elizabeth, N. J., ex- hibited the Diehl electric absorption dynamometers which are used to measure the exact power developed or absorbed by engines, transmissions, completed automobiles and other ro- tating machines. Oil burner turbo blowers, steam turbine equipment, turbo transmissions and multi vane fans were displayed by the B. F. Sturtevant Co., Boston. The opera- tion of the Sturtevant moist air fan kilns, an advanced system of drying lumber while still leaving it, soft and full size, was explained. The Todd Shipyards Corp. exhibited for the first time the new Todd ro- tary fuel oil burner for low pressure installations. This company _ also showed the Todd natural air register for marine and power plants, the Todd marine lamps and an A. R. welder of portable type. Improvements In Construction An improved air register firing front of the swing design giving an intimate mixture of oil spray and air combustion with highest effi- ciency was exhibited by the Coen Co., 50 Church street, New York city. A model of this type hooked up with