Show Floating Breakwater k ater Costly stonework to make mate a breakwater breakwater break break- water behind which boats may seek shelter Is obviated by the use of ot n a string of metal pontoons which have havethe havethe the effect of quieting a boisterous sea sen as effectually as a bulkhead of ot stone or plies piles The units consist of metal structural shapes of an nn openwork open work worl character which are supported by tilled air-tilled tanks and are arc chained together in ill strings of oC six or eight each end of the string being secure secured to a substantial pier The action of the waves dashing Is effectually checked by the open character of the metal work York and their force broken so that the water behind the barrier Is quite still for the purpose of a safe harbor |