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MARINE REVIEW. a bg 9 A New Sea-going Dredge. Major F. A. Mahan of the United States engineer corps was to have opened bids at Montgomery, Ala., on Saturday last for the construction of a sea-going hydraulic dredge for service in the harbor at Pensacola Fla., but it is understood that none of the bids were fully in accord with the specifications and that a contract will riot be let for the present. The dredge is to be in most respects similar to others that have been built for river and harbor work in the south by the Bucyrus company of South Milwaukee and other dredge building concerns. An outboard plan of the vessel is presented herewith. The hull is to be of wood, 180 feet between perpendiculars, 37 feet molded beam and 22 feet hold. Dredges of this kind are provided with quarters for officers and a full working crew. In this vessel there will be three deck houses, in which arrangements for the crew will be fully equal to those of the best freight carriers, In the matter of equipment, such as steering gear, windlass, capstans, anchors, etc., a dredge of this kind is also the equal of modern freighters. The dredge is to be propelled by twin screws of 7 feet diameter and 11 feet pitch. Each screw will be driven by a vertical inverted, direct- acting engine of the compound type, with a surface condenser. Tihe diam- eter of the high pressure cylinders will be 16.5 inches, that of the low pres- sure cylinders will be 30 inches. The stroke of all pistons will be 30 inches. The engines are to be workd under a maximum boiler pressure of 100 pounds per square inch and generally at a speed of 135 revolutions Cargo Records--Lake Freight Ships, © The 6,500-ton mark (net tons) has not as yet been reached by any of the big lake carriers, although the Owen Sound cargo of the steamer | W. R. Linn was within 4 tons of that amount. It is quite probable that more than 7,000 tons will be moved in a single cargo before the season is at an end. The stage of water has been increasing a little and several of the largest carriers are yet to leave the ship yards. The Detroit steamer Senator took a cargo of 182,000 bushels of wheat out of:the Chicago river, a few days ago, and it was probably the most valuable grain cargo ever moved on the lakes. This grain, insured at $1.75 a bushel, was worth $316,483. But the load was by no means in the record list as regards weight. The corn record is 232,000 bushels and the wheat record 210,539 bushels. Following is the corrected list: S58 Iron ore--Steamer W. R. Linn, owned by C. W. Elphicke and others of Chicago, 5,638 tons gross, or 6,314 net, Escanaba to South Chicago; schooner Amazon, James Corrigan of Cleveland, 5,631 tons gross, or - 6,307 net, Duluth to South Chicago, draft of 17 feet 1 inch; steamer Em- pire City, A. B. Wolvin of Duluth, 5,622 tons gross, or 6,296 net, Two Harbors to Cleveland, draft of 17 feet 2 inches. Grain--Steamer W. R. Linn, C. W. Elphicke and others, Chicago, 232,000 bushels of corn, equal to 6,496 net tons, South Chicago to Owen Sound; steamer Andrew Carnegie, Wilson Transit Co. of Cleveland, 230,000 bushels of corn, equal to 6,440 net tons, South Chicago to Owen SIDE ELEVATION OF HYDRAULIC SEA-GOING DREDGE TO BE BUILT FOR GOVERNMENT ENGINEER DEPARTMENT. per minute. The steam distribution valves will receive their motion by means of Stephenson's double bar links and eccentrics, the links to be connected to suitable reversing gears which may be worked by either hand or steam power. The cut-off valves of both the high and low pres- sure cylinders are to be of the Meyer's type. The condensers for the engines will have a cooling surface of 1,600 square feet, measured on the outside of the tubes. They will be of the Wheeler type with direct-acting air pumps and centrifugal circulating pumps. These condensers will take also the exhaust steam from the driving engines of the dredging pumps. Forgings are to be largely of steel. s The dredging plant will consist of two complete and independent sets of hydraulic dredging machinery as manufactured by Joseph Edwards & Co. of New York. There will be two special cataract dredging pumps, having suction and discharge openings of 15 inches in diameter. The shell or casing of each pump will be 405% inches in diameter and 22 inches deep. Each pump must be able to deliver, when running at the rate of 200 revolutions per minute, 9 cubic yards of sand mixed with 7,300 gallons of water at a maximum height of 16 feet above the surface of the water. Hoisting engines, feed pumps, fire pumps, bilge pumps, ventilator en- gines, auxiliary condenser and other auxiliaries are also to be provided. The boilers, two in number, are to be of the horizontal return fire-tube type, 13 feet 6 inches in diameter and 11 feet long, and built for a working pressure of 115 pounds. Each boiler will have three corrugated furnaces of about. 3 feet 9 inches inside diameter; a total heating surface of not less than 1,848 square feet; a total grate surface of not less than 66 square feet; and a total steam surface of not less than 250 cubic feet. If William T. Sampson and Winfield Scott Schley are not competent to command let them be relieved without further delay and other officers ~ assigned to command their fleets. If they are competent, they should be given full liberty of action without interference from war boards or paper strategists. If the gentlemen who assume direction from Washington are more competent, put them in command of the fleets and place the responsibility on them. Admiral Dewey has 'shown what can be accom- plished by bold and independent action. Does anyone believe that he could have accomplished what he has if he had been at the end of a wire running into the navy department?--Army and Navy Journal. Sound; steel schooner Australia, James Corrigan of Cleveland, 210,539 bushels of wheat, equal to 6,316 net tons, Chicago to 'Buffalo; steamer Andrew Carnegie, Wilson Transit Co. of Cleveland, 332,100 bushels of oats, equal to 5,318 net tons, Manitowoc to Buffalo. ; ; Coal--Schooner Polynesia, James Corrigan of Cleveland, 5,654 net tons of bituminous, Cleveland to Duluth, 16 feet d aft; steamer Carnegie, Wilson Transit Co. of Cleveland, 5,369 net tons of bituminous, Cleveland to Duluth. Stocks of Grain at Lake Ports. The following table, prepared from reports of the Chicago board of trade, shows the stocks of wheat and corn in store in regular elevators at -- the principal points of accumulation on the lakes, May 21, 1898: Wheat, bushels. Corn, bushels. ; : Chitcagoe sae ae eis eee rahe 2,260,000 6,833,000. D aluthegs so 7 Ss aa ee eres 3,426,000 ~ 2,308,000 Milwaukee: siesin See ae ee ee 138,000 Dae Detiotne+ ace iin sh Gente eens 47,000 166,000 Toledow. oi sot ees ee ee 411,000 460,000 - Buttalows is: neni le eee 1,162,000 936,000 7,444,000 10,703,000 As compared with a week ago, the above figures show, at the several points named, a decrease of 617,000 bushels of wheat and 1,090,000 bushels of corn. Good Policy. ae Free Cuba. Annex Hawaii. Take Porto Rico. Send help to Dewey. Octupy the Philippines. Construct the Nicaragua canal. : Build up our ship yards and merchant marine. Enlarge our army and navy and improve our coast defenses--at once. Let congress pass ample appropriations that all this may be promptly -- - and thoroughly performed.--New York Commercial. pA Ste