Page 19: of Maritime Reporter Magazine (March 15, 1981)

Ilia Haua Qesigns ^L.m iwr • vi| |wr

H^ • I • i^LJ I I I stern tube sea

H •LJ • H BJ BJ rn ity materials. E

Future

Sadsruall

Slam

Tula

Saals • > * • •.. / • , '»V - ' .. • V * fmBS • * i '

Now for retrofits and new installations, a split ster seal. Using time-tested marine qual- it 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. . #>, f »»t •, * * *» ***** »* * »• _ * * * *t «> « • *» »* " * • 1 # • ... 9» mm- . " ' w , <>" ' . •

SI s.^fyi" -,' .v.

JO . - J - ' •>«- ."•* k.r iM*, . • , .14" VW . A* .' .""a' ibf® ' '

A V 1 m • ' i • « »•» « . I a "** v 'Av * • W * » . • *. « A' .1

BIRD'JOHNSON

COMPANY 110 Norfolk Street, Walpole, MA 02081, (617)£68-9610 • x #