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September, 1912 THE MARINE REVIEW GMt- COR IRON oo 297 | SECTION 'B" SECTION A " 9 PS S99 ie | , i i ae oon 4 EalIN C.BH --- 2: BAR KEELSON a Z-BAR KEELSON .. ur ny Ai eS =a oak 18-0- MIOSHIP SECTION '<- BAR HEELSON {GAL Cor /Rov 750" SECTIONAL VIEW OF STEEL Tow BarGEs FoR THE Maperra-MAmore RAILWay Co, room is also provided with electrical- -ly-driven fans. The cargo space of the vessel is divided into nine compartments, all .specially insulated and prepared for the carriage of fruit in bulk. This perishable cargo will be preserved -during transit by means of cooled fresh:.air...delivered by electrically- driven fans through ducts from the refrigerating rooms to each compart- =ment. The propelling machinery consists ~of two independent sets of quadruple- expansion engines of approved de- .sign, complete with all necessary aux- iliary machinery and 'supplied with steam from three double-ended and -one single-ended steel cylindrical multi- -tubular boilers. The Samuel L. Moore & Sons Cor- poration, Elizabeth, N. J., are develop- -ing a type of freight-carrying power "boat for shoal water service and have -recently turned out one 64 ft. long, 16 - ft. beam and 6 ft. deep. A Remarkable Tow The tug Reliance (formerly the M. E. Scully) owned by the Isthmian Canal commission, has recently com- pleted a remarkable trip with three barges in tow. She left. Cristobal Feb. 11 tor « Panama 'bay 'viao the Straits of Magellan, reaching her des- tination on June 17 after a voyage of 126 days and 10,500 miles. The number of actual steaming days was 86. Heavy seas were occasionally en- countered which kept their decks awash. The Reliance is fitted with a No. 3 Providence steam towing ma- chine of the Shaw & Spiegle pattern, having double cylinders 14 in. in diameter and 14 in. stroke, using 1,- 200 ft. of 134 in. steel wire hawser. Instances have been noted from time to time of steamers taking a single barge in tow from New York to San Francisco and from New York to Liverpool, but this is believed to be the first time that a tug has ever at- tempted a triple tow for such a dis- tance. The trip certainly demon- strates the advantage to be derived from using a towing machine, which relieves the sudden shocks and strains upon the hawser. W.R. Grace & Gas Plans W. R. Grace & Co. have made ex- tensive plans for the development of the coast-to-coast trade upon the open- ing of the Panama canal. Four steam- ers for this service are now building at Philadelphia, which will be of 10,000 tons each, 405 ft. long and 54 ft. beam. Upon their completion, about July, 1913, a fortnightly sailing service will be in- augurated between New York and San Francisco from each port. With the addition of the three steamers now building in England and destined for the New York and West Coast South American trade, via the Straits of Ma- gellan, the fleet of Grace & Co. will number 16 steamers. The steamers un- der the British flag will be operated by the New York & Pacific Steamship Co., which is controlled by Grace & Co.