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UJa Haua assigns m i wr I vn • i wr now tor • • II I I • stern tube sea H WLJ • BJ BJ • itv materials. E Future No for retrofits and new installations, a split ster seal. Using time-tested marine qual- ity Engineered for top performance in extreme operating conditions. Proven in heavy ice and at peripheral shaft speeds as high as 10 m/s. Providing flexibility to accommodate shaft movement and vibration. For fixed pitch and controllable pitch propeller systems with shaft diameters up to thirty-nine inches. The split design permits disassembly for inspection and maintenance—without withdrawing the tail- shaft, propeller or rudder. Discover how Ceder- vall seals by Bird-Johnson Company can solve past problems. And contribute to a safe, eco- nomical future. Contact our Product Specialist, Mr. G. Robin-King. / / l>j& fm H j. V * * * 1 • * • • , - /,v « » * f> «- * . • « , • ' V' « • * » y» vh*. * . w t' , > vvi'i. - • > ».* * . . - ' ** J ' * , „ » ' 'ft* , V * ' f t. f * *. * »» N/»»*•»MtV . ^ ", < * J V * * * BIRD-JOHNSON COMPANY *3aBS5' 110 Norfolk Street, Walpole, MA 02081, (617)£68-9610 •r 'iv/* - liar * * k * • • A * v/ •* * »*«« vx » ••*.»• y %
