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32 ARBUTUS—Lighthouse Tender—Bays—Twin Screw—Steam Name—ARBUTUS Owner—United States Lighthouse Service Builder—The Pusey & Jones Corp. Naval Architect—U. S. Lighthouse Service Launched—Mar. 25, ’33; Comp. June 6, ’33 Classification— Lighthouse Service HULL PARTICULARS Length over all, 174 feet, 7% inches; length between perpendiculars, 163 feet, 6 inches; breadth molded, 32 feet; depth molded, 14 feet, 6 inches; draft, 10 feet, 7 inches; displacement, at 10 feet, 7 inches draft, 770 tons; cargo ca- capacity, 75 tons, normal; bunker fuel capacity, in tons, 102.5; speed, at sea, 13.7 statute miles per hour. MACHINERY PARTICULARS Main Engines—Two, triple expansion, recipro- eating steam engines, each of 500 indicated horsepower, at 160 revolutions per minute, built by The Pusey & Jones Corp. Size of engines, 11% x 19 x 32 inches by 24 inches stroke. Boilers—Two Foster Wheeler watertube ma- rine boilers with a total heating surface in the two boilers of 5028 square feet; maximum working pressure 225 pounds; fuel, oil, Soot blowers, Diamond Power Specialty Corp. Oil burning equipment, Schutte & Koerting Co. Auxiliary Generators—Two, General Electric Co. DESCRIPTION Lighthouse tender of steel construction with steel deckhouses, Fit- ted with a steel mast and boom of 20-tons capacity for handling buoys. Hoisting gear operated through a four drum steam winch located in the forward hold. Propelled by twin screws, steam re- ciprocating engines, speed 11 knots. AUXILIARY EQUIPMENT Pumps—Schutte & Koerting; M. T. Davidson Co.; and Rumsey Pump Co. Windlass—Lidgerwood Mfg. Co. Winch—Lidgerwood Mfg. Co. Steering Engine—Lidgerwood Mfg. Co. Refrigeration—Frigidaire Corp. Plumbing, Valves, Fittings—Crane Co. Oil Heaters, Strainers—Schutte & Koerting Thrust Bearings—Kingsbury Machine Works Indicators, Counters—Alexander McNab Galley Range—Stamford Foundry Co. Floor Plates—Central Iron & Steel Co. Marine Hardware—Dayton Mfg. Co. Brass, Copper—The American Brass Co. Radiators——Chase Brass & Copper Co. REMARKS The Arbutus, built for the department of com- ‘merce, bureau of lighthouses, was assigned to the second lighthouse district, Boston, and re- placed the tender AZALEA. Located in the forward hold is a twin cylinder four-drum, steam hoister, or winch, with steam cylinders 64% x 8 inches. The hoister serves as power for the 20-ton 50-foot long boom stepped on the derrick mast located just forward of the superstructure. The boom is used for handling buoys and other equipment necessary for serv- icing lighthouse and other aids to navigation. MARINE REVIEw—April, 1934