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Shown at left: Pump liners for Maritime Commission Ships. Shown right: Large stern tube bushing. Whirling the Grief out of Vital Castings! | C ASTINGS produced centrifugally. That's the answer to many tough problems involving stress, wear, fa- tigue, replacement, and maintenance in the marine and allied industries. It stands to reason. For example, parts cast centrifugally by Shenango-Penn always have meas- urable superiority over ordinary cast- ings of the same analysis--greater den- sity, more uniform grain structure, higher tensile strength, better elonga- tion, no sand inclusions, no blowholes, less porosity. In short, castings that Liberty Ship propeller shaft Penn bronze sleeve installed at customer's plant. will always wear longer and take far more punishment. Shenango-Penn is well experienced in making propeller shaft sleeves, stern tube bushings, cylinder and pump liners, bearings and many spe- cial type castings. All bronzes, monel metal and alloy irons are centrifugally cast in a wide range of sizes; tubular bars or cylinders from 2" to 26" O.D. up to 26 ft. in length, and solid bars from 14" to 8" O.D. in 6 ft. lengths. Write, phone or wire for specific information on your requirements. with Shenango- SHENANGO - PENN MOLD COMPANY 1175 West Third Street, Dover, Ohio - - - Executive Offices: Pittsburgh, Pa. ALL BRONZES - MONEL METAL - ALLOY IRONS Se See ey a a pia ae) a bol et NS RS ee ue sn ncciaccy upnligAp ele enORS FS iomiclira ino Ti ingen elas ¢ 1