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; 4 'set. in "js fitted with a 'sectional range 21 ft. . pine -and May, 1909 ted between and around the boiler and engine enclosures on the dome deck. All wood work in the kitchen is lined entirely with galvanized iron and the floors covered with sheet lead and tile Sarco cement. The kitchen 6 in. long, with six ovens and six fires, four boilers each 2 ft. 6 in. long, an electrically driven dish-washing ma- chine with electric hoist, two electric toasters, urns for tea, coffee and milk, and the usual hotel outfit of ice boxes, warming tables, bain marie, etc. The ice boxes, kitchen and pantries with sil- ver and glass lockers, comprise about 2,400 sq. ft. of deck space. Because of the great weight involved, the butcher shop, with its ice boxes, is located on the main deck, convenient to the electric elevator. A steam heating system is provided of sufficient capacity to comfortably heat the vessel in the coldest weather, the main saloons, parlor staterooms and crew's quarters are fitted with standard radiators, while the regular passenger staterooms are heated with sill radia- tors divided into sections of about 10 staterooms each, all arranged with in- 'dependent cut-outs and to drain through 'traps to the main condensers. The sanitary system provides fresh water under pressure to kitchen, pan- tries, and bathrooms, and salt water to toilets, which are fitted with flusho- meters, porcelain bowls and ample 'drainage. The general ment of joiner -work is best described by reference to the midship section. Character of Decks. In general the decks above the main deck are of 7%-in. tongue and grooved nailed to pine carlins .of the scantling shown, all spaced 19-in. cen- ters, stiffened by a steel structural com- 'prised of channel beams 12 ft. 8-in. centers 'girders extending fore and aft under riveted to 8-in. I-beam_ steel stateroom bulkheads, supported by iron pipe stanchions riveted at top iron rods extending from deck to deck, rods 'spaced 12 i368 me cet ters and wherever possible these rods pass through and are nut- ted under the iron beams. All sa- loon deck girders are so situated that these rods pass through and are secured to top flange. The bulkheads between 'staterooms are of tongue and grooved pine alternately 7-in. single thickness 5%-in. double thickness planked diagonally, nailed through with clinched nails. The double bulkheads are lo- cated at the iron carlins and fastened scantling and arrange-. TAE Marine Review to them to obtain necessary athwartship rigidity. General: Arrangement of Staterooms. The general arrangement of state- rooms provides three rows of state- rooms on each side of saloon and gal- lery decks. The staterooms opening from the saloons are ventilated by con- cealed openings to the saloon and tran- , soms opening over the upper deck: of the adjoining outside rooms, the height of which is reduced for this purpose. The. outer rows 'of © staterooms have windows opening on the passageways and the outside of deck house respec- tively. There are in all: 8 staterooms for crew, containing 192 berths; 41 state- rooms for officers, containing 111 berths; 420 selling rooms for passengers, con- taining 826 berths; 45 free berth rooms, containing 460 berths. On the main deck forward are ac- 'commodations for 36 women and 78 men emigrants. These quarters are. fitted with galvanized iron pipe berths with canvas bottoms and hair mattresses. 'There are 300 spare mattresses for the and 'bottom, or wood stanchions with 5-in. a use of passengers in the saloons, make a total. of 2,003 mattresses. mot be -14,. at which trials: 'ment for the punpose of determining the -and tained 73 The location of the dining room on the upper deck, with its attendant weight, necessitated a departure from the usual construction in steamers of this class. In order to 'support this weight, I-beam girders were run under this deck and the entire structure sup- ported by stanchions extending through the main saloon. In order to furnish a base for decorative treatment, double 'groined arches were fitted between these stanchions.. : Progressive Speed Trials. . Mr. J. H. Gardner: When we were asked to write this paper on the Com- monwealth we regretted that no trial trip data was available as the vessel was put into regular service immedi- ately on completion, and on account of the large amount of travel she could spared until Saturday, Nov. time progressive _ speed were . run over. the govern- course in Narragansett. Bay indicated horsepower at various speeds comparison with the data ob- from the modei_ experiments at the government tank at Washing- PROGRESSIVE SPEED TRIAL RESULTS OF STEAMER COMMONWEALTH. ° o a -§ g oo a * a ot 4 ee d 3 go ee = Boo me Sy 3 og moe. oa Ba ocr oe gat oo aBe ace a 8 om = 1o°5 3 a? oe rs oO a a 4. Wy oO Oe ae Bey ees Sir d au a o g So So AS S a Og q ; oo A Sy ofy SA ee ee we fa va > > a = fy os Dp < 5 g : i: a 6. in. 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