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56 tric propulsive machinery has been successful and the same type’ of ma- chinery is to be used for the new steamer, contract for which was awarded to the American Shipbuild- ing Co. on July 29. The new steamer will be used in the stone trade and will when com- pleted be the longest vessel on the Great Lakes. She will be 637 feet in length overall and 615 feet length of keel, 65 feet in beam and 33 feet deep. She will have a carrying capacity of 13,000 tons on a draft of 20 feet. The main machinery will be of Gen- eral Electric make and will consist of a turbo generator, delivering current to a motor directly connected to the propeller shaft. Steam will be fur- nished by Babcock & Wilcox marine type water-tube boilers. Coal will be used as fuel. The vessel will be built at the Lorain, O., yard and will be classed to Lloyd’s specifications and survey. It is expected that the new vessel will be completed during: the summer of 1927. Over 6000 tons of ‘steel will be used in the building of this great steamer. Her usual oper- ating route will be between Calcite and Buffington near Gary, Ind., de- livering products for use at the cement plant of the Steel corporation. The American Shipbuilding Co. now has under way at its Lorain, O., yards five large lake freighters for delivery in 1927. Many men will be needed to carry on this work. Of the four other vessels, all in the 600-foot class of bulk freighter, two were ordered by the Interlake Steamship Co., Pick- ands & Mather, managers, and one each by the Inland Steamship Co. and the Kinsman Transit Co. The Toledo Shipbuilding Co. has a carferry steamer under way for the Wabash railroad. There is also some additional work being figured on. July Lake Levels The United States lake survey re- ports the monthly mean stages of the Great Lakes for the month of July, 1926, as follows: Feet above mean Lakes sea level ro eg O12) © LO Ge SP Ba ann a 600.86 Michigan-Huron 578.53 br CLAIT iicestsesvecence 578.94 TAC oe ssev ancy ocak sadvarsincastiaevanssdcidiseeveb ite 571.22 PEAR ca 2s sy css iacarecossvarsinbaseveoabsiehaentie 245.20 Lake Superior was 0.386 foot higher than in June and it was 0.57 foot lower than the July stage of a year ago. Lakes Michigan-Huron were 0.12 foot higher than in June and - they were 0.01 foot lower than the low July stage of a year ago. Lake Erie’ was the same level as in June and it was 0.10 foot higher than the low July stage of a year ago. Lake MAKINE REVIEW Ontario was 0.11 foot lower than in June and it was 0.01 foot lower than the July stage of a year ago, 1.42 feet below the average stage of July of the last ten years. Belnap Made President L. J. Belnap was recently elected president of the Worthington Pump & Machinery Corp. C. Philip Cole- man, retiring president, was elected chairman of the board. Mr. Belnap was formerly president of Rolls Royce of America and chair- man of Wills St. Claire Co., De- troit. Carferries Pending The Ann Arbor railroad is in the market for a carferry which will re- quire 3000 tons of steel. It is to be similar to the one built last year by the Manitowoc Shipbuilding Corp. This ferry is 360 feet long with a 56- foot beam. It has two reciprocating steam engines and four scotch boilers. The Wabash railroad also is in the market for four carferries which will require about 8000 tons of steel. These will be of the same type. Oil Separators (Continued from Page 48) plant thereafter yields a substantial profit. Apparently events are moving in the direction of the installation of separators fulfilling these conditions on all ships having oily bilge and blast water to discharge. This paper has been prepared in order that it may be more widely realized how much has been done in respect of the provision of such separators, and that their installation is not only the means of ridding the seas of an in- tolerable nuisance, but also provides a real economy for the shipowners at a time when economy is most urg- ently needed. Electric System Ordered A contract has been awarded Chas. Cory & Son, Inc. for the complete installation of the electric system as well as the system of mechanical signals on the new Hudson River Day line passenger ship, now under construction by Pusey & Jones Co., Wilmington, Del. The specifications were prepared by J. W. Millard & Bro., naval architects of New York and called for the best type of fittings and appliances. The installation includes one 15 kilowatt generator for emer- gency purposes. There is an 18-inch September, 1926 high power all brass search light and a group of auxiliary machines con- trolled by electric motors. The latest type of Cory aero fire detecting and alarm system will protect passenger quarters throughout the vessel. The main switchboard controlling the generators, the various motors and the thousand of lights through- out the ship will also be furnished by the Cory Co. This switchboard will be even more elaborate than that on the ALEXANDER HaAmiILTon. It will be located in the engine room space adjacent to the generator but on the main deck level in full view of all passengers. The electrical in- stallation in the engine room of this ship will follow the very best engi- neering practice. In addition it is being very highly finished because of the desire of the operating com- pany to let the passengers see as much of it as possible. Fireboat and Ferries for Seattle W. C. Nickum, formerly vice presi- dent and naval architect, for the Todd Dry Dock & Construction Co. has been commissioned to prepare plans and specifications for a steel fireboat for the city of Seattle. The work is well under way and it is intended to call for bids early in September. It is expected that the vessel will be built in Seattle. The plans call for com- pletion in about 12 months. The city has appropriated $200,000 for this improvement. The work contemplated involves about 125 tons of steel plates and shapes. Another steel job, which has not yet assumed definite form, will involve a steel auto ferry for service on Puget sound. This vessel will call for about 400 tons of steel. One of the largest operating companies on Puget sound is planning construction but preparation of plans has not yet been authorized. Lee & Brinton, Seattle naval archi- tects, are preparing plans and speci- fications for a wood diesel-powered passenger and automobile ferry for the Sound Ferry lines. This vessel will be 176 feet in length, with beam of 52.4 feet and draft of 12 feet. She will have accommodations for 500 passengers and 60 automobiles, maintaining a speed of 13 knots. A diesel engine of 900 horsepower will be installed. Electric steering gear and every modern equipment is called for. The vessel will be placed in service between Edmonds and Port Ludlow on the route between Seattle and the Olympic peninsula. Bids will be invited in September.