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3 floating drydocks • to 18,000 tons COOLIDGE PROPELLER COMPANY 1608 Fairview Ave. E. Seattle, Washington 98102 Phone 206 EAst 5-5100 • SIMPLIFIED MAINTENANCE —Bettis patented "Cen- ter-Bar" assures accurate piston alignment for mini- mum seal wear. Compact, track-guided design minimizes bearing wear for long life efficiency. Minimum of moving parts for economical, easy maintenance. • VERSATILE—capable of handling up to 2000 psi operating pressure*, "T" series actuators are ideally suited for ball, plug, or butterfly-type valves. Units may be mounted in horizontal, vertical, or inverted positions. -Shock Test Report LE-827 Specify Bettis "T" series for safety and dependability. Write for Catalog T-1-2M mmmm mmmm ESTTI5 CORRORI1TION 'J 3100 FALL AT GRAND BLVD. P.O. BOX 14689 < HOUSTON, TEXAS 77021 Phone: (713) 748 1143 123 THREE is no crowd at LOCKHEED... THREE is your lucky number! THREE drydocks to 18,000 tons. THREE quarters of a century of experience. THREE shifts with many third generation craftsmen. We can drydock you or berth you for top- side, bottom or inside repairs. Just call Bob Forbell, manager of ship repair. He will take care of you in a trice. LDCKHEED SHIPBUILDING AND CONSTRUCTION COMPANY 2929 16th AVE. S.W., SEATTLE, WASH. 98134 PHONE 206-623-2072 • CABLE L0CKSHIP NEW YORK REPRESENTATIVE: James R. Porter 17 Battery Place, New York, N Y. 10004 • Phone 212-943-8795 Stern Trawler Bids To Be Opened Aug. 11 Bids for the construction of from one to three steel stern trawlers will be opened by North Atlantic Ma- rine Enterprises, Atlantic City, N.J., on August 11. The 725-hp vessels will each meas- ure 95 feet 8 inches in length, with a beam of 24 feet. Teledyne Sewart And Swiftships To Build Patrol Boat For NSSC RFP N00024-71-R-0619 has been issued to Teledyne Sewart Seacraft, Inc., Berwick, La., and Swiftships, Inc., Morgan City, La. 70380 by the Naval Ship Systems Command, Washington, D.C., for the construc- tion of an aluminum patrol boat. The vessel will measure 85 feet. Requests are being made by NSSC for technical proposals concerning the design and construction of two oceanographic research ships for FY '71 (Reference IFB N00024-71-R- 0526). Bel-Aire Shipyard Ltd. To Build Two 184-Foot Oil Supply Vessels Two large oil supply vessels are to be built by Bel-Aire Shipyard, Ltd., North Vancouver, British Co- lumbia, for Nordic Offshore Serv- ices, Ltd. The measurements of each vessel will be 184 feet by 45 feet by 16 feet 6 inches. They will be equip- ped with twin English Electric die- sels supplying 5,280 bhp. Norfolk Shipbuilding Wins NSSC Contract The Naval Ship Systems Com- mand, Washington, D.C., has award- ed a contract in the amount of $5,- 900,000 to Norfolk Shipbuilding & Drydock Corp. for the construction of a F-PF-108 class patrol escort ship. The vessel, which is destined for the Thailand Government, will meas- ure 275 feet. Barge Awards To Missouri Valley Steel And Brown-Minneapolis The Corps of Engineers, Philadel- phia, Pa., has awarded a $476,220 contract to build three steel oil barges to Missouri Valley Steel, Inc., Leav- enworth, Kan., and a contract for building deck barges at a cost of $145,938 to Brown-Minneapolis Tank and Fabricating Co., St. Paul, Minn. The Coolidge Propeller Company, organized in 1910, has through sixty years of continuous service designed and produced quality propellers for every application. The development of special patented production equipment and measuring devices, designed solely for marine propellers, together with constant research in both engineering and materials, have made Coolidge Propellers the accepted standard worldwide. MARITIME REPORTER ENGINEERING NEWS 107 EAST 31st STREET NEW YORK, N. Y. 10016 MUrray Hill 9-3266, 3267, 3268, 3269 ESTABLISHED 1939 Maritime Reporter/Engineering News is published the 1st and 15th of each month by Maritime Activity Reports, Inc., with executive, advertising and editorial offices at 107 East 31st Street, New York, N. Y. 10016; publishing office at 41 First Street, Hoboken, New Jersey 07030 Controlled Circulation postage paid at Hoboken, New Jersey 07030 Member BPA Business Publications Audit of Circulation, Inc. No. 15 Volume 33 • BUILT-IN OVERRIDE—unique, internal manually operated override allows quick change from hydraulic to mechanical operation, or reverse. Fully lubricated integral unit has easy-to-use disconnect lever con- veniently located adjacent to actuator handwheel. f DEPENDABLE "VALVE POWER" 1 for marine service ...by Bettis 4 Maritime Reporter/Engineering News
