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VOL, 39. . CLEVELAND, FEBRUARY 4, 1909. NEW YORK No. 5 The Non-Magnetic Survey Vessel Carnegie. The survey vessel Carnegie, now be- ing built at the Tebo Yacht Basin, Brooklyn, N. Y., for the Carnegie In- stitution of Washington, is unique in that it will be the first vessel construc- ted, so far as is practicable, of non- magnetic materials. The Carnegie is intended for -ocean surveys, and is be- ing built specially for this work from plans and specifications prepared by Henry J. Gislow, naval architect, of New York. The best materials ob- tainable 'will be used in the construc- tion of the vessel, which, in addition to the non-magnetic qualifies mentioned, will have the strength and seaworthi- ness..or 4 merchant vessel combined with the finish and accommodation of a yaeht, The general dimensions of the Car- negie are, length over all, 155 ft. 6 in.; length on load water line, 128 ft. 4 in.; beam, molded, 33 ft.; depth of hold, 12 ft. 9 in. with a mean draught of 12 ft. 7 in, and a displacement, with all stores and' equipment aboard, of 568 tons. In the construction of the hull, the*ked, stem, stern, frames and deadwood will 'be of white oak, the deck beams, planking and ceiling will be of yellow pine, and the deck of Ore- gon pine, in long lengths, comb-grained. The fastenings will consist of locus treenails, copper and Tobin bronze bolts and composition spikes, all through bolts, being riveted over rings inside and outside. Bronze, copper, and gun metal will be the material used in all metal deck fittings. In addition to being brigantine rig- ged, with a capacity of nearly 12,900 sq. ft. of plain sail, the Carnegie will have auxiliary propelling machinery ca- pable of giving her a speed of six knots. This auxiliary power plant con- sists of a six-cylinder internal combus- tion engine, having a capacity of 125 le te P: when make 350° R. 2 ML With the exception of the thin cast iron cylinder liners and the steel valve cams, the engine will be constructed of manganese and other bronzes. The shaft will be of Tobin bronze and the pro- peller, of special feathering-type de- CARNEGIE, NON-MAGNETIC YACHT, AS sign, of manganese bronze. The gas will be generated in a producer gas plant having a capacity of 130 lbs. of anthracite pea coal per hour and pro- ducing a steady, pure gas containing 80 -per cent of the heat units possessed by coal. A coal bunker capacity of 25 tons will give the Carnegie a cruising radius of 2,000 miles, but the engine will be used only in maneuvering the vessel in crowded waters or during a calm at sea. As will be seen in the illustrations, the quarters of the navigating and scien- tific staff are located amidships. The officers' mess room is shown forwarded of the ward room, the staterooms of the captain, mate and machinist open- ing into it, as does also their bathroom and toilet. The quarters of the scien- tific staff extend the full width of the. vessel for a length of 38 ft. 6 in. and SHE WILL APPEAR WHEN COMPLETED. consist of a ward room, five staterooms, a library and the commander's office. The wardroom is 25 ft. in length by 11 ft. 6 in. in width, and has three state- rooms and the' commander's office ar- ranged on the port side and two state- rooms and the library on the starboard side. Ventilation and light are obtained by means of a cabin trunk on the main deck, this trunk being 42 ft. 8 in. in length, 16 ft. 6 in. in width by 3 ft. in height, and heavily constructed of bright- finished 'teak wood. The fore castle has