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350 a common source, which is tthe shaft seen running lengthwise of the planer platen, and which is shifted by means of a ratchet riding the cam shown most clearly in Fig. 3. Before pllaning is actually begun, a clearance 'groove, with depth at finish line, is cut in the face of the blade near tthe hub and this is done with the platen at rest and. driving the feed gear by means of the motor shown geared to feed shaft. By means of change gears propel- lers of different pitches may tbe dealt with. TUG ULSTER DAVIS. The tug Ulster Davis, which has just been put in commission, was built by Osborn & Sons, Croton, N. Y., for R. G. Davis, 454 Forty-eighth street, Brooklyn, No Yas Phe. tac iss 55. ft. long, 16 ft. beam and 5 ft. deep and is supplied with a Taylor water tube boiler, built for 200 lb. working pres- sure. The engine, 12 x 16 in. was built by George H. Ward & Co., 78 Delavan street, Brooklyn, N. YY. The tug is named after the president of the Albany Towing Co., by whom it was designed, Mr. Davis having had considerable experience in shoal water work with tug boats. The Ulster Da- vis was designed for barge canal work with low pilot house and hinged stack to clear bridges. She is at present engaged in towing on the Champlain canal for the Lake Champlain Trans- portation Co., between Waterford and Whitehall. THE Marine. REVIEW ~ Feed Screw Feed Ratch TRIALS OF THE JAPANESE CRUISER IBUKI. The Japanese armored cruiser Ibuki, just completed by the Japanese govern- ment, has undergone her trials. The vessel was equipped with Curtis marine reversible tt#bines, built by the Fore River Ship Building Co., of Quincy, Mass., and shipped to Japan last year. During the past few days several cable- grams have been received by the Fore River Co. from their representative in Japan, giving the results of the official contract acceptance trials of this ves- sel. These turbines were built by the Fore River Ship: Building Co. with rigid guarantees of horsepower and steam consumption, and in every case these guarantees have been handsomely exceeded, os a ae Fic, 3---PLAN AND ELEVATION OF PROPELLER PLANING MACHINE. Three trials were conducted, one un- der 'cruising conditions at two-fifths power, one at the rated full power guaranteed and one at overload condi- tions at maximum power. The rated full power of these turbines was guaranteed to be 21,600 brake horse- power, and the steam consumption not more than 15 lb. of steam per brake horsepower per hour. On the trial at this power the steam consumption was 14.1 lb. On the two-fifths power trial the steam consumption was 16.75 Ib. whereas the guarantee was 17 lb. On. -the maximum full power trial over 27,- 000 horsepower was developed and the steam consumption was 13.88 lb. The operation of the machinery was excellent under all conditions and con- gratulatory cablegrams have been ceived from Japanese officials. Ge; Tue Uuster Davis.