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18 THE Marine REVIEW "The following is a summary of 'the last year's 'naval "program, was | SUc- observations | 'recorded in the log dur- . cessfully launched with call machinery ing the four-hours' trial: c on 'board from. the company's Chis- FOUR HOURS FULL POWER FORCED DRAFT PRELIMINARY TRIAL OF U. S. S. NEBRASKA AT "PUGET SOUND, JULY 17; 1906. i ms Starboard. Port. Maxtieat average revolutions per minute for 15- minute PELiOd tale <tr ease Phe OeO 121.5 Average revolutions per minute, four hours.............- TRS RG Dy tba el ane * AZ2i19 118.78 Mean revolutions: per' minute, both engines eh cieeias Ce tea ca ane ee 120.49 Maximum steam pressure at boilers, in pounds............00ee000- Soc Geek 285.3 Average steam pressure at boilers, in pounds..4......eeseeeee ners er seers '5 21153 Maximum steam pressure at engines, in pounds, H. P. steam chest... +++ +++5 257 251 Average steam pressure at ENSIMO. 208 cer tes aia ofa cih swag cetera seMonh se soso s aioe es Pea welecs 250 238 Maximum air pressure in fireroom.........+yeceeec eee teense eee ees Rei 2.03 2.03 Average air pressure in fireroom....%. Rte PAG cc Cabs ca geist e saber cscs 1.55 1255 Maximum. 'vacuum, .each foaine. yi rede: Eb oe mie dee aes Halt ace Ls dO Ey 28 25.9 Average vacuum, each engine. re Sea tee Bo REN oe © ois sas ocaly Cae Cea ad 1975 25.2 Collective I.,H. P. of all main 'engines A sea eg RUN Ie Vea Bleep tay shatiee! ein eevee aS 20946.8 Collective, main engine, air, circulating, feed, and hot. well pumps...........- -21282.8 Collective, main, and all auxiliary. engines in operation during trial.......... 21910.6 Kindvand quality of coal used on trial. Cardiff, coarse screened Oo excellent Average pounds of coal used per hour during trial et ee icy A a ete ee 61991 * Poinds of coal per hour used by main and all auxiliary eneines imgoperation " SS PUnIe. telah fe ae a ee oe ci eek cine ers wie th ele WAC here tie ee ice 2 ts 2.83 Pounds ot coal used per hour by. main engines, air, Cider feed, and MOe OVGLE SPUMINSey ie rye eke Sees ahs Wi nae woes Cees sini ols ee nto Sine Pounds of coal-used per yee ne Main engines aAlONGs ys silecs s ss es st ee : doravpue at beeinmine "or trial a(forward):. jose. ce sic es ovens He we oye ota 24 ft. 17% in. Dreusht. At besiuning- of trial Git) xe i vg ho oc ened Cl eae cre aie Owns we es 23 ft. 934 in. | Mean Mraveht at. begining: Of thal ea, ois wens eee mtn se eas 23.4t: 11-7-164n. Corresponding displacement at mean draught at beginning of trial............ 14975 Corresponding displacement at mean draught during dal ae eee ok ec ie o 14865 Speed of ship in knots, per hours... 0... ee eee eee ee cece ee eee teen ees 19.06 . 17.023: 14.453 Slip of propellers in Pat centum of their own speed ee AG LAUNCH OF GLOW-WORM. -H. M. S. Glow-Worm, the second to be completed of five. coastal destroy- in wick Works, by Mrs. Maughfling, the wife of the secretary of the company, the" presence of Engineer' Com- DEUTSCHLAND'S -BOW..AFTER ©THE RECENT. ACCIDENT. ers. ordered from Mésérs. John I. mander Willoughby, Thornycroft & Co., Ltd, of Chiswick Mummery,'" Mr. and Southampton, in connection with Thornycroft, Mr. mR ONG EEE SS. and Mrs.' John Maughfling, and a , partment, 'number of others interested." The di- mensions of the class to which in mee Worm belongs are: 'Length, © , beam, 17 ft. 6 in., draught, 5 fe II a The contract speed is 26 knots. The Glow-Worm is fitted' with ' tur- bine machinery of Parsons type," built by Messrs. Thornycroft, at Sotthamp- ton and Thornycroft water' tube boil- ers. Thé armament will consist of two 12-pounder quick-firing' guns and three torpedo tubes. The first of the five "36-kiiot 'destroyers for which Messrs. Thornycroft secured the contract was the Gadfly, which May 24 last. She was the fitst of twelve boats of this class to attain her contract speed, which she did in a preliminary trial in rough weather; attaining a speed of 26.05 «nots. ' MARINER'S CREED. "T believe in the lead, as it guards me against dangers which the eye can- not see. "I. believe in 'the lookout, as it guards me against dangers to be seen. "T believe in the log as it checks my distance run. "IT. believe in ascertaining the 'pat tude as it helps me to define my posi- tion. "The lead guards me against dangers invisible... The lookout guards me against .dangers visible... The leg guards me against false distances, and the latitude helps me to gaiee my position. "I earnestly resolve and openly de- clare that as I hope to go all my days in safety, therefore, will I steadfastly practice that which I believe, and I hereby warn seamen and tell them that if they ever neglect these four things: Either the lead, the log, the latitude or the lookout, they and their fellow creatures will some day surely perish." ~-- The report of the Manchester ship canal for the past six months shows an increase in tonnage and_ revenue, the tonnage figures being 2,112,813 as against 1,865,606. Imports and ex- ports of general.,.-merchandise fur- nished 176,303. tons. of. this increase, the balance consisting of 70,904 tons of larger shipments. of coal. The monetary receipts, amounted to £233,- 176 as compared with : £208,745 last year, an increase of £24,431. Lieut. Comd'r 'H.*P. 'Norton, of the bureau of steam engiteering navy de- hasbeen detailed to make an observation trip on the Cunard liner Carmania. was launched on' 7