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MARINE REVIEW. | 9 'Illustrated Patent Record. SELECTED ABSTRACTS OF SPECIFICATIONS OF A MARINE NATURE--FROM LATEST PATENT OFFICE REPORTS. 621,494. Adjustably-Weighted Center-Board. Francis W. Brewster, Bournemouth, England. Filed Feb. 19, 1894. Serial No. 500,631. Claim--In combination, a pivoted center-board, a ballast-catrying ta- bular closed bulb of angular or curved formation secured to the lower edge or part of the center-board and formed with inner rails or guide- ways, and contained adjustable ballast adapted to automatically roll or slide along and within the bulb to the lowest part thereof upon the center- board being raised or lowered, and means for raising and lowering the center-board. 521,627. Canal Towage. Joseph |.Morris, Camden, N. J.. Filed July 19, 1893, Serial No. 480,955. Claim--In a canal and waterway towage system, the combination of acontinuous motion endless cable arranged and operated above the sur- face or sides of a canal or waterway,a removable grip consisting in a fixed jaw which embraces said cable and is suspended therefrom, and a mova- ble jaw having a vertical movement by means ofa rack and pinion operated by aline or connection from a boat, and tow line between the grip and boat. 521,536. Row-Boat. Michael F. Davis, Portland, Me, Filed June 28,1890. Renewed Sept, 4, 1893. Serial No. 484,796. Claim--First, in a row boat, the body or skin A lined internally at B 521 494. ADJUSTABLY-WEIGHTED CENTER-BOARD, © =e ele Xe 7 OO NSS Nat) 9 521,580. DREDGER with suitable material and combined with the strip C, covered with the material D, and secured to the inside face of the boat by the margins of said covering. Second, in a row boat, the skin A lined on the inner face as set forth, and haying between it and the keelson several layers of lining, Third, in combination with the wooden skin of the boat, the cov- ered strengthening strip C, secured by cement, or otherwise, to and upon the inside of said skin by means of the free ends of the cover. 521,580. Dredger. Lindon Bates, Chicago, Ill. Filed Feb. 19,1894. Serial No. 600,760. Claim--First, in combination with a boat having a fixed elbow; a lad- der pivoted to the elbow; a suction pipe carried by the ladder and having acurved end to fit the elbow;a rotatable pipe-section 10 provided with a cutter and a gear ring N; a shaft extending lengthwise of the ladder and provided with a pinion M toengage the gear ring ; and means for rotating the shaft. Second, in combination with the boat having the curved elbow; the ladder provided with a suction pipe having a curved end;.a rotatable cutter carried by a rotatable section of the pipe; a gear ring N; the shaft F provided with gears G H; the shaft I provided with gear J; and a shaft L provided with gears M and Q. 521,652. Steam Steering Apparatus. Edward Heyde, East Saginaw, Mich. assignor to Wickes Brothers, same place Filed Dec. 23, 1893. Serial No, 494,566, Claim--First, in a steam steering apparatus, the combination with a steam cylinder aud its piston rod, of a cross head carried by said piston rod, two sheaves carried by the cross head, chains each having one end made fast and carried over said sheaves respectively in opposite directions and connected to the tiller, a steam valve, a valve gear actuated by the piston rod, and means for manually controlling the valve independently of the movements of the piston rod. Second, in a steam steering appara- tus, the combination with a steam cylinder and its piston and piston rod, ofa valve for controlling the cylinder ports, a swinging lever pivoted to the valve rod, a pinion carried by said lever and two sliding racks in- meshed with the pinion, one of said racks connected to the piston rod and means for moving the other rack independently. Third, in a steam steering apparatus, the combination with a steam cylinder and its piston and piston rod, of a slide valve for controlling the cylinder ports, a swing- ing lever pivoted to the valve rod, a pinion carried by said lever, two sliding racks inmeshed with the pinion, one of said racks connected with the piston rod and moving therewith, a steering wheel, an operating rod turned thereby, a loose pinion carried by said rod and inmeshed with the rack connected to the piston rod, a pinion secured to turn with the operating rod and inmeshed with the other of said racks and a clutch, one member of which is carried by the loose pinion and the other by the rod. Trade Notes. On the subject of lubricating pulley blocks, the Joseph Dixon Crucible Company, Jersey City, N. J., recently issued a record of service tests of hoisting tackle, made by Robert Grimshaw, M. E., at the Brooklyn navy 521,527. CANAL TOWAGE. eee N -- a - : 6 yard, in colaboration with Lieut. John A. Bell of the equipment bureau, U.S. N. The tests show that the percentage of saving effected between unlubricated and lubricated blocks, increased with the load, and in some cases it was sufficient to represent the work of one man in three. ; Chas. D. Mosher has severed his connection with the New York Ship Building and Engineering Company. This is the concern that makes a specialty of small, fast steamboats. Remaining members of the firm are Col. E. A. Stevens, John D. Cox and William Gardner. 2 Stocks of Grain at Lake Ports. The following table, prepared from reports of the Chicago boardof trade, shows the stocks of wheat and corn in store at the principal points of accumulation on the lakes on June 23, 1894: Wheat, bu. Corn, bu. | GIG Ao Oris. s~s genes swageinted ip adeat. ats 18,876,000 29,740,000 TOUCHE o ee etn coccanats aes sta seieescace Gi300/000; eau a secceras Wt Waltkeerstessosscn: so teicse omc ls 1,072,000 3,000. WCU GIU setae eeiesnstat bec csecees saeeaee a 1,353,000 _ 18,000 FDOLEGO} scscascchceseseke canes satescecevesees 2,526,000 59,000 Buffalo...... Fedleds washers exeOegleseees semiiae 1,136,000 283,000 AVOLAliscs seas otees co alcstote cate sade. 20 ari 31,263,000 3,332,000 At the points named there is a net decrease for the week of 796,000 bushels of wheat and an increase of 146,000 bushels of corn.