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July, 1919 The vessel will have an electric lighting plant, auxiliary lighting and _ wireless power plant, refrigerating plant for ship's cold storage and_ refrigerated cargo, steam steering gear, steam wind- lass, steam capstans, and steam heating system. Bunkers for fuel oil will be fitted at the sides of the boiler rooms between double bottom and second deck. They will be of the usual oil-tight construc- tion and will be fitted with swash plates as necessary. The water-tube boilers will have a heating surface of 40,000 square feet, using oil fuel by means of the mechan- ical oil burning system under induced draft. The boilers will be designed for a working pressure of 265 pounds per square inch and 75 degrees Fahr. superheat. The induced-draft fans will be located in the uptakes and be driven by slow-speed_ reciprocating engines or geared turbines. There will be two surface condensers, two centrifugal circulating pumps, two air pumps, two main feed pumps, one auxiliary feed pump, one fire and bilge oy sS <S ZY WT SS KS urveyor AUNCHED at Manitowoc, Wis., L in 1917, and™ taken "to. tide- water. via the St. Lawrence river, then turned over to the navy and equipped with guns and depth charges, followed by a voyage across the Atlantic for convoy service in the Mediterranean and from thence to the north Pacific coast by. way of the Panama canal for service in the Alaska fleet of the United States coast and geodetic survey, for which purpose she was built and equipped two years earlier, is the brief his- tory of the Surveyor. Her record in foreign waters is at- tested by a star THE MARINE REVIEW pump, one engine room bilge pump, one fire room bilge pump, one sanitary pump, one ballast pump, one fresh water pump, one drinking water pump, two lubricating oil pumps, one oil cooler pump, one fuel oil transfer pump, four fuel oil pressure pumps, two injectors, one feed water heater, one auxiliary condenser with com- bined air and circulating pump, one feed and filter tank, three 50-kilowatt generators with one _-- switchboard, evaporator, waste and _ soda_ tanks, walter coolers, oil coolers, engineer's stores room, workshop, together with such other auxiliary machinery and outfit as is necessary for the proper operation of these ships. 'The hull machinety consists -- of steam windlass, steam capstan, steam and hand steering gear, steam winches, ice machines, mechanical ventilating and _ heating, auxiliary lighting and wireless. plant, deck pumps, etc. The main turbines will be of ap- proved make, each capable of de- veloping 6000 shaft horsepower at 120 ins Alaska After her to proceed to Cartagena, Spain, at which port she was compelled to intern. The Surveyor was built by the Mani- towoc, Wis., during the summer ot 1917. She is an all-steel vessel of 100() tons displacement and was_ especially designed for work as an offshore sur- veying ship in north Pacific waters. She is 683 feet long with 34-foot beam and 12-foot draft. She is powered by a triple-expansion engine which de- velops 1000 horsepower. Oil is used as fuel and her tanks hold a_ supply of 75,000 gallons, giving a steaming radius of 5000 miles, running at full 329 revolutions a minute of the propeller shaft and connecting to the main shaft by double helical gearing. A backing turbine will be incorporated in the same casing as the ahead turbine, and when supplied with the same amount of steam as used for full load condi- tions, will develop not less than two- thirds of the full speed ahead torque on not more than two-thirds of the full speed revolutions per minute. The lubrication of the turbine bear- ings and gears will be by oil supplied from a gravity tank located in the engine hatch. This tank will be sup- plied from the lubricating oil pumps, which will draw from a drain tank underneath the gears and discharge through coolers 'to the gravity tank. There will be two oil coolers each of ample capacity to cool the lubricating oil. Water for the cooler will be supplied by a special pump. The propellers will be solid bronze, right hand, three blade, about 16 feet 6 inches in diameter. They will be secured to the taper end of the shafts by a key and nut. Long Voyage speed. The Surveyor is well equipped for the work for which she is outfitted. She has water tanks and provision stor- age room for a six month's voyage which enables her to keep at sea for several months at a time. To en- able her crew to have fresh meat and vegetables at all times, she is equippea_ with large refrigerators. She carries 11 officers and 56 men. The quarters for both officers and crew are com- modious, well ventilated and com- fortably furnished. She is the largesv vessel designed especially for survey work that has been built. On her voyage to the Pacific, she stopped at San Francisco for fuel and chevron on her funnel. While doing convoy duty she was attacked by two German submarines, one of which was the U-39 which. sank the Lusrrania. A torpedo fired by this craft just missed the Sur- VEYoR's bow. The little vessel man- euvered to a fa- vorable position and dropped a depth charge which disabled the submarine making it necessary for STEAMER SURVEYOR WHICH SAW ACTIVE SERVICE IN THE MEDITERRANEAN DURING THE WAR-- SHE IS NOW IN ALASKAN WATERS and after taking aboard surveying equipment at Seat- tle, she proceed- ed to the Alaskan ' peninsula to make hydrographic and topographic sur- veys along the steamer route be- tween Kodiak, the 'Aleutian islands and the Bering sea. She is com- manded by Capt. Francis H. Har- dy, who has seen many years of. service in the geodetic survey.