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SNAME T&R Bulletin Offers Preliminary Ship Design Aid HPV-I.Q no Tr.Q 1 'oi-r»lnifuar»f 1 rrru n rr ship hull have been changed in a systematic manner. The results of such methodical series are usually used to plot design charts or tables which are of inestimable, value to_ been made, but the results are so scattered in the literature that it is often difficult to determine ex- actly what information is available. Bulletin 1-31, "Index of Methodical Ship Model Resistance Tests." The bulletin contains informa- tion on over 125 different series tests from ei^ht countries. The in- SHIPBOARD EtlUIPMlH From Explorations, Inc. Contact: Ralph E. Ingram 3121 S.W. Moody Avenue Portland, Oregon 97201 TELEX: 36-0503 • CABLE "Zidell" PHONE: A/C 503 228-8691 A partial listing of our stock from EX-NAVY and MARITIME VESSELS Certification to A.B.S. or Lloyd's a routine THE BOSTON METALS COMPANY THE BOSTON METALS COMPANY THE BOSTON METALS COMPANY THE BOSTON METALS COMPANY G.M. 8-268A 200 KW A.C. DIESEL GENERATOR SETS 313 E. Baltimore St. Baltimore, Md. 21202 539-1900 (301) 355-S050 313 E. Baltimore St. Baltimore, Md. 21202 539-1900 (301) 355-5050 PORTABLE 6" CARVER SALVAGE PUMPS FUEL OIL OR LUBE OIL PURIFIER 313 E. Baltimore St. Baltimore, Md. 21202 539-1900 (301) 355-5050 THE BOSTON METALS COMPANY 313 E. Baltimore St. Baltimore, Md. 21202 539-1900 (301) 355-5050 313 E. Baltimore St. Baltimore, Md. 21202 539-1900 (301) 355-5050 ENGINE: 8-268A—6i/2" bore * T' stroke—1200 RPM— driving 200 KW Westinghouse generator—440 volts—3- phose—60 cycle—321 amps—80% power factor at 1200 RPM. $3750 NEW WATERTIGHT DOORS 6-Dog right and left hand hing- ed steel doors—with frame*. Built and tested to A.B.S. spe- specifications. SIZE NET WT. 26"x48" 250 lbs. 26"x60" 300 lbs. 26"x66" 320 lbs. 30"x60" 330 lbs. EACH DOOR IMMEDIATE DELIVERY 8" x 8" WATEROUS HEAVY DUTY ROTARY CARGO PUMP Mfg. Waterous Co.—730 GPM—pump speed 232 RPM—reduction ratio 900/232—8" suction— type P-1256—80 PSI pressure—60 HP—herring- bone reduction gear—8" discharge. 313 E. Baltimore St. Baltimore, Md. 21202 539-1900 (301) 355-5050 TRANSFORMERS 15 KVA—3 per bank—450 V primary—177 volt secondary. $295.00 PER BANK Also inquire about other sizes: 10 KVA/20 KVA/ 25 KVA/37 KVA NEW —UNUSED 10 H.P. REVERSING CAPSTANS SHIPBOARD USE Duty 10,000 lbs. @ 60 FPM 10 H.P.—220/440/3/60—1750 R.P.M.—Marine type reversing controller. Barrel diameter—10"— 2Vi" Flange. Height between flanges 12". ALLIS-CHALMERS 1200 KW D.C. GENERATORS SUITABLE FOR DIESEL THE BOSTON METALS COMPANY UNUSED 15/s LINK BELT HEAVY DUTY WINDLASS Below deck motor drive. Double wildcat—driven by 50 HP 230 VDC motor with vertical shaft and worm drive. Single speed—handles 7000 lb anchors and 60 fathoms of chain at 7 fathoms per minute. Wildcat centers 56". Com- plete with all controls and warping features. Total weight 27/500 lbs. With spares.
