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' F September, 1919 hatches and no_ stanchions in the holds. This arrangement gave the inspiration to the. transportation service to ship completely set-up locomotives and tenders to France. They were loaded into the holds without necessitating the least al- teration to the vessel. The success attained in this instance resulted in considerable saving of time for the army in placing such equipment in service in France. The Cubore type ship is 469 feet long over all, with a molded beam of 57 feet and molded depth to upper deck of 37 feet. Hatch No. 1 is 26 x 30 feet, Nos. 2, 3 and 6 are 33 x 37 feet, Nos. 4 and 5 are 37 x 39 feet. This leaves a free deck but 10 feet wide on either side of the principal hatches and on this deck space are placed cargo winches which serve to open and close the hatch covers and. to handle cargo whenever necessary. The hatches have steel coaming and hinged corrugated steel covers in two parts. Quick Loading and Unloading All the. cargo. hatches. can be opened and shut within an_ hour. The Cubore type loads 11,500 tons of ore within 5% hours with the im- proved loading machinery installed in Cuba. The unloading facilities at Sparrows Point are to be improved. At present 5-ton buckets are being used but these are to be replaced with 15-ton buckets. 'It .now requires about 18 hours to unload whereas it is expected to be able to unload with- in 5 hours with the new equipment. At Daiquiri, Cuba, the vessel lays offshore about 215 feet and is moored to 10 buoys under a cantilever. Ore is delivered by a belt conveyor. At Felton in Nipe bay, Cuba, the boat goes up to a dock and ore is delivered TYPE OF ORE BRIDGE USED FOR LOADING AT FELTON, NIPE BAY, THE MARINE REVIEW. 421 DECK VIEW SHOWING THE HATCH COVERS AND TACKLE FOR RAISING ' over two ore bridges. When laying up at these ports, the vessel will draw about 2734 feet mean of water, and will draw nearly 29 feet aft when leaving loaded. The vessels have averaged 10 to 1014 knots when loaded and 11 to 12 knots when in ballast. Other bulk carriers have been designed for ocean service but this particular boat was built' to meet a particular condition and to cope with a com- petition that is extremely aggressive, the cheapness of ore transportation on the. Great Lakes. Ship Well Designed They are single-screw built of steel on the Isherwood system, and meet the specifications of American bureau of shipping and Lloyds register class- ification insofar as concerns design and construction .of the hull, deck equipment, engines, boilers and shaft- ing and the installation of bilge and ballast: «system. °. hey. are: .of~ the ir « iene aw Ch CUBA type of single-deck type, with machinery in the stern, with poop forecastle and short navigating bridge. They have a double bottom fore and aft and side ballast tanks from cross bunker bulk- head - to forepeak bulkhead. This arrangement is of special significance as frequently these vessels are sent back from Sparrows Point to Cuba in ballast. There are three cargo holds with six hatches, two to each hold. The vessel has four watertight bulkheads, one nonwatertight bulkhead and two oiltight bulkheads. She has three masts, 12 booms, 6 winches, one wind- lass, one capstan and one _ steering engine. Accommodations are pro- vided for 46 officers and crew. The captain's and deck officers' quarters, spare room and room for the pilot are in a house on the bridge. The engineer's quarters are in a house on the poop deck. The captain's saloon, engineers' and petty officers' mess, steward's, quartermaster and carpenter and boatswaiin, seamen's and firemen's quarters and_ hospital are under the poop deck. The vessel has a straight stem, elliptical stern and three masts with booms rigged for handling cargo. Exceeded Specifications The single screw is run by a geared turbine. The vessel has three Scotch boilers with all necessary auxiliaries. The building specifications required that the vessel be capable of carry- ing about 11,300 tons, of 2250 pounds,: including cargo, 6000 gallons of fresh water, fuel, stores, feed water and extra spares over what is required by the classification societies, but ex- cluding water in boilers and conden- sers On a maximum mean draft of 27 feet in salt water. The deadweight requirements were exceeded however, by the Sparrows Point plant of the '