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August, 1921 J., and another at Wilmington, Del. The efficiency of the workers at the plant of the William Cramp & Sons Ship & Engine Building Co., Phila- delphia, is said to have increased 30 per cent since labor unions have been expelled from the yard. Young men have replaced men who should have been retired long ago. "As a result the average age of employes has been reduced from 55 to 35 years. About 5400 employes are now on the pay roll. The activity of the Merchant Ship- building Corp. in the general engi- neering field is evidenced by the con- summation of two contracts running in- to large sums of money. One contract calls. for. the construction of to structural steel radio towers at Anna- polis and for the remodeling of four existing towers. The towers contem- MARINE REVIEW Deliver Big Tankers to English Firm Following a successful deep sea trial run on May 20, the second of two steel tankers built at the Sparrows Point, Md., plant of the Bethlehem Shipbuild- ing Corp., Ltd. for the Lux Navigation Co., London, England, has been delivered to her owner. The first one of these tankers to be built was delivered on May 10. These vessels, the Henry DEUTSCH DE LA MeEuRTHE and _ the Emity DeutscH. p--E LA MEURTHE are similar in design to the well known "Shell" tankers, and are built on the longitudinal system of framing. They are classed at Lloyd's highest rating. The total carrying capacity is 8350 tons deadweight on a mean draft of for handling 349 zontal fuel oil pressure pumps, 6 x 4 x 8 inches, furnished by the builder are installed in duplicate for supplying oil to the burners. The pump room is located near midship, and is approxi- mately 8 feet long, and of the same width as the vessel. Two vertical simplex cargo pumps 18 x 16 x 24-inch stroke. are utilized the oil cargo on each ship. Feed, drain, fuel oil transfer, bal- last and deck, and donkey and fire pumps are the same type. The main circulating pump is a 14-inch double suction centrifugal type, direct connect- ed to an 8 x 8-inch vertical single steam engine. The deck machinery for each vessel consists of two 8% x 8-inch gypsies lo- cated on the upper deck, a hand operated 8350 TON TANKER HENRY DEUTSCH DE LA MEURTHE BUILT BY BETHLEHEM COMPANY FOR ENGLISH OWNERS plated are 600 feet in height. The other contract provides for the con- struction of 16 movable steel plat- forms for the. construction firm of Snare & Triest, New York. The latter firm is at present building some docks at Stapleton, S. I:, and' it is in con- nection with this work that the plat- forms are needed. The Bath Iron Works, Bath, Me., has been awarded a contract by the department of commerce to build five vessels for the lighthouse service at 4 cost. of $184,000 each. This ig at the rate of $347 per construction weight ton. There were 25 competi- tors making bids on these vessels. About a year ago, there were only two bidders for one vessel somewhat larger than the five in the new con- tract. The lowest bid at that time Was at the rate of $692 per ton. 24 feet 9 inches, with an oil cargo capac- ity of about 7600 tons. The principal particulars of the vessel are as follows: Length over all, 42 feet 0 inch; length between perpendiculars, 412 feet 0 inch; extreme bréadth, 53 feet 3% inches; molded breadth, 53 feet 1 inch; molded depth to upper deck, 31 feet 0 inch; molded depth to main deck, 24 feet 0 inch; speed, 11 knots per hour; type of engine, reciprocating ; size of engine, 27 x 45 x 75 inches and 48-inch stroke; boilers, scotch; number of boilers, 3 steam pressure, 180 pounds; kind of fuel, oil and coal. The builder's mechanical oil burning system is installed on each vessel, and the boilers are 'fitted with forced draft furnace fronts suitable for conversion to coal burning if desired. Engines and boilers are placed aft with the fuel oil tanks forward of the boilers. Hori- capstan on the forecastle deck, two 8% x 10-inch compound geared winches on the upper deck, a 10 x 10-inch triple spur geared windlass, and'a 9 x 9-inch horizontal spring-quadrant steering gear controlled by hydraulic telemotor. The auxiliary machinery was built at the Moore plant of the Bethlehem Ship- building. Corp. The results of the deep sea trials of -- these two vessels were unusually satis- factory. On the trial of the Henry DeuTsCH DE LA MEuRTHE, which was run April 21, an average speed of 12.90 knots per hour was maintained at a mean draft of 24 feet 9 inches. An average of 2833 indicated horsepower was developed at an average engine speed of 79 revolutions per minute. On the trial of the Emiry DeutscH DE LA MEURTHE, which was run on May 20, the average speed per hour main-