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June, 1919 for operation is furnished by 25 or 60-cycle, 220-volt, single-phase, alter- nating current. The accompanying illustration shows .a rivet heater in operation. Its capacity is four rivets, each rivet having an independent set of electrodes so that a hot rivet, when removed, may be replaced at once by a cold one. When all four ele- ments of the machine are used, the four rivets have graduated degrees of heat. Power is consumed only when rivets are being heated. To operate the machine,,the power switch at the left is thrown in, the foot is placed on the foot treadle to increase the distance between the electrodes, a rivet is inserted with a pair of tongs nn SN The capital of the Southern Shipyard Corp., New- port .News, Va., recently was increased. Reports are current to the effect the Ames Ship- building & Dry Dock Co.,° Seattle, is planning to build a 12,000-ton drydock. The Collingwood Shipbuilding Co., Collingwood, Ont., is reported to be planning to have its plant electrically equipped. Work has been started on erecting a power house, one story, 46 x 68 feet, for the Carl Hartman Dry Dock Co., Green Bay, Wis. Plans have been filed for the erection of a 1-story plant addition by the 'Todd Shipyards Corp., 15 Whitehall street, New York. A contract has been let for the erection of a 1-story, 63 x 100-foot machine shop at the plant of the Simpson Drydock Co., East Boston, Mass. The Nova Scotia Shipbuilding Co., New Glasgow, N. §., is building a machine shop in connection with its plant at an estimated cost of $70,000. Yarrows, Ltd., Victoria, B. C., is making exten- sions to its plant and will install considerable ma- chinery and equipment. A recent Pennsylvania incorporation is that of the Pennsylvania Welding Co., which has been capitalized at $10,006, 'by C. R. Rhinkett, Forty-sixth and Wal- nut streets, Philadelphia, and others. W. 'S: Dietrich, Kutztown, Pa., is one of the incorporators of the Reading Valve & Fittings Co., Reading, Pa., which was recently incorporated with $100,000 capital, Gerry L. Brooks, R. F. Smith and H. P. Sweetser are the incorporators of the Safety Lanten & Heater Co., Portland, Me., which was recently incor- porated with $25,000 capital. Temporary quarters have been leased at Centerburg, 0., by the Faultless Anchor & Mfg. Co., pending the erection of a plant, the site for which was recently purchased. The Baltimore Marine Iron Works, Clement and Woodall streets, Baltimore, has been incorporated with $50,000 capital, by Howard C. Crove, Harry A. Stam- baugh, Alfred Burns and_ others. A recent New Jersey incorporation is that of the Fraser Plate Straightener Co., 55 Prospect street, Lodi, N. J., which will engage in the manufacture of tools, ete. The Universal Shipbuilding Co., Sturgeon Bay, Wis., is contemplating building an addition to its boiler house. H. L. Peterson, 102 Maple avenue, is Secretary. ; C. B. and B. E. Cox have purchased the Moznett Welding & Machine Works, 224 East Channel street, Stockton, Cal., and will increase both the welding and machine shop equipment. The Miramichi Construction Co., New Castle, N. B., BEBCTRIC RIVET HEATER IN OPERATION = aT coc News for the has taken over the assets of the International Ship- building Co., consisting of a shipyard, plant, ma- chinery, etc. H. A. Frank is manager. - A. J. Wolcott & Co., New York, marine repairing and contracting, has been incorporated with $10,000 capital, by J. Groenewald, L. R. Swift and A. J. Wolcott, 439 Eightieth street, Brooklyn, N. Y. A factory for the manufacture of marine electrical equipment is to be located at Seattle by the Horne New Offices The Fischer & Hayes Rope & Steel Co., Chicago, has moved into more commodious quarters. It has obtained the entire building located at 741-745 West Van Buren street. -Business expansion made the change necessary. The company formerly was located at 602 West Lake street. Branch offices have been opened at 585 Mission street, San Francisco, and 515 Hoge building, Seattle, by Charles Cory & Sons, Inc., 290 Hudson street, New York, manufac- turers of marine electrical equipment, ete. Additional sales offices have been opened by™ the Badenhausen Co., 1425 Chestnut street, Philadelphia, manufacturer of water-tube boilers, marine and stationary engines, at 311 Jenkins building, Pittsburgh, and 1225 Marquette build- ing, Chicago. The Pittsburgh office is under the management of A. D. Neeld Jr. and J. F. 0. Stratton is in charge at Chicago. Mfg. Co.,, Brooklyn, N. Y., according to a_ report. The company has opened offices at 222 Grand Trunk Pacific building. A. A. Harris is in charge. The General Navigation Co., which was recently | incorporated at Dover, Del., with $400,000 capital, by T. L. Croteau, H. B. Drew and M. M. Clancy, of Wilmington, Del., will engage in the development and operation of ships of all kinds. A recent Delaware incorporation is that, of the Washington Southern Navigation Co. The company, which is capitalized at $300,000, was incorporated by T. L. Croteau, H. B. Drew and M. M. Clancy of Wilmington, Del. Two of four building berths have been completed by the Halifax Shipyards, Ltd., Halifax, N. §:, as well as a power plant and a machine shop, 100 x 280 feet. Contractors are rushing to completion work on a plate shop, 75 x 600 feet, with a lean- to, 30 x 300 feet, and a combined office and air THE MARINE REVIEW | 315 and the foot pressure is released. The heating starts as soon as electrodes grip the rivet. _It is said that the electrical method of heating prevents the rivets from becoming scaled or burned. The power re- quired is about 20 kilowatt-hours per 100 pounds of rivets regardless of their size. A Danish concern recently com- pleted a reinforced concrete motor- ship with the following, principal dimensions : Overall length, 112 feet; beam, 25% feet; tonnage, 325. The craft is bark figged and powered with an 80- horsepower oil engine. lis milli I compressor building. Machinery is being installed in the structures which have been completed. J. E. A contract has been awarded the Northwest Bridge & Iron Co., Seattle, by the port of Seattle com- mission, to furnish and put in place a _ 10,000- gallon steel tank. Bids will probably be requested soon by the commission for the furnishing of a gantry crane. Yarrows, Ltd., is to move its entire plant from the Clyde to British Columbia. For many years this firm has maintained a building and repair steel plant at Esquimalt, B. C., near Victoria. The present Clyde plant will be re-established at either Vancouver or Victoria, B. C. Contracts aggregating $2,800,000 have been awarded to the Arthur MeMullen Co. for the construction of two piers for the city of Philadelphia. One pier at the foot of Fortieth street will cost $1,380,000 and the other at the foot of Wolf street will cost about $1,420,000. A recent fire at the pone of the Virginia Ship- building Corp., Alexandria, Va., damaged the copper shop and tin and _ pipe shops. Equipment and materials for the reconstruction of these buildings have been purchased and rebuilding is to be started immediately. About $50,000 will be spent at once by the Lake Union Drydock & Machine Works, Seattle, which recently acquired property in Lake Union shore lands, Among the improvements will be the erection of a 1000-foot dock. Oil stations and machine shops will also be erected. s It has been announced by Charles J. Spratt, president of the Harbor & Marine Co., Victoria, B. C., that a contract has been awarded for erect- ing a plate shop on the site of the company's new shipyard at Hospital point. Plans for the furnace shop, frame bending shop, sawmill, joiner shop and general offices now are ready. McLurg is general manager of the company. The business of the A. Wilhelm Co., Reading, Pa., has been taken over by the Glidden Co., Cleve- land, manufacturer of paints and varnishes. The plant will be considerably enlarged by the new owners to care for inereased business along the Atlantic coast. A marine railway capable of handling ships up to 600-ton capacity will be constructed on the Young's Bay property of the Astoria Marine Iron Works, Astoria, Oreg., according to a recent announcement by Thomas Bliven, manager of the company. The company recently acquired 500 acres and also plans to erect a large steel and iron working plant. The Marine Repair & Construction Co., Albina avenue, Portland, Oreg., has awarded a contract to the Portland Bridge & Building Co. for the necessary | |