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Electro-Portable Pump A portable electrically driven pump, with a capacity of 100 gallons per minute, is made by the Edwards Mfg. Co., of Cincinnati, O. The weight of the pump, including the motor, does not exceed 125 lbs. It is claimed by the makers that it will operate reg- ularly up to its maximum capacity on current from an incandescent lamp socket. The working parts of the Edwards Electro-Portable bilge pump are made 'of brass, operate on ball bearings, and THE MARINE REVIEW tion, 1,648 vessels of 382,304 gross tons, compared with 1,720 of 243,792 for the same period of 1911, showing a gain of 138,512 tons and the largest construction since 1908. Of the 121 metal steam vessels 36 of 68,203 tons were built on the great lakes. Ocean-Going Dredge The steel ocean-going dredge Col. P. S. Michie was launched on Aug. 16 at Seattle, Wash., in the yards of her builders, The Seattle Construction ELECTRO PORTABLE PUMP are self-lubricating. There are no valves to take care of, and no pos- sibility of freezing, the water auto- matically draining out as soon as the current is shut off. The motor is fitted to the exhaust tube, and sustains its own weight. It is claimed by the makers that this pump needs virtually no attention. There is no bearing on the shaft, and consequently no wear on the parts. It can be installed in working order instantly and is quite simple to op- erate. Another electrically driven bilge pump is built by the Edwards Mfg. Co. for heavy work. This pump has a capacity of 500 gallons per minute. The construction is similar to that of the smaller pump. Two of these heavy duty pumps have been installed . by the Louisville & Cincinnati Packet Co., and are said to be giving perfect. satisfaction. Literature descriptive of these portable electrically-driven bilge pumps may be had by addressing the Edwards Mfg. Co., 320-340 East Fifth street, Cincinnati, O. The Year's Shipbuilding During the year ended June 30, 1913, there were built and officially numbered by the Bureau of Naviga- & Dry Dock Co. The new vessel was christened by Eleanor M. Chit- tenden, daughter of Gen. H. M. Chit- tenden; president of the Seattle Port Commission. The Col. PS: Michie isa twins screw vessel of great power. She is 244 ft. long, 43 ft. beam, 24 ft. deep, and is of the central well type. She will have a capacity of 1,000. cu. yds. The Michie, when completed and equipped, will cost approximately $350,000. She is to be used at Coos September, 1913 Bay, Oregon, first to be used in goy- ernment harbor improvement work. Her special work will be the deepen- ing of harbors on the Pacific coast. The big dredge is to be built under the supervision of United States Na- val Constructor G. C. Westerfieldt, who has represented Major J. J. Morrow, of the United States Engineering Corps. At the luncheon given after the launching by President J. V. Pater- son, of the Seattle Construction & Dry Dock Co., Major Morrow, who was one of the speakers, explained that the Michie was christened in Honor ot Col, ~P.-S. > Michie, with whom nearly every officer now in regular service who graduated since 1863, was well acquainted. Among those at the luncheon were Col, kK. AH. Wilson; commandant at Bort Lawton, and Gen: F. K.. Ward, retired, who were classmates at West Point with Col. Michie. The Bath Iron Works, Bath, Me., launched the torpedo boat destroyer Cummings Aug. 6. This vessel is 305 tvs im. by 3044 by 1/7 it. and-of 1,020 tons normal displacement. The new craft was christened by Mrs. Henry Beates Jr., niece of the late Lieuten- ant Commander A. Boyd Cummings, for whom the vessel is named. The Cummings will burn oil exclusively and her fuel storage capacity amounts to 328 tons. Cobb, Butler & Co., Rockland, Me., launched the hull of the new towboat Charles P. Greenough, Aug. 5, for the Commercial Towboat Co., of Boston. Whe new crait is 114 by«26%4 by 15 ft. 11 in. The machinery will be in- stalled at Portland. John D. Sloane, supervising inspec- tor of. steamboats at Boston, has re- signed. LAUNCHING OCEAN-GOING DREDGE COL. P. S. MICHIE