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Page 21: of Maritime Reporter Magazine (April 15, 1981)
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H • H BJ U • ity materials. E extreme opera ^^^ . ice and at per i^a \m*rm 10 m/s' Provi • I I I I • LJI shaft moveme • USUILi \
No for retrofits and new installations, a split ster e seal. Using time-tested marine qual- it Engineered for top performance in operating conditions. Proven in heavy ic an peripheral shaft speeds as high as 1 . Providing flexibility to accommodate shaf 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. /Vj» ' / A * . - r • r * • * » . ' * * * • * * A I * * m % s • « , * t t I , » < . * # # s-* * * m * * » * » * » «> « « * «*.*
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BIRD-JOHNSON
COMPANY 110 Norfolk Street, Walpole, MA 02081, (617)£68-9610 v Sfe.. * > ;; ^ •, %