OCR Text |
Show The Rolling Tank. Experiments have been cnrrled on recently by ono of tho trnnsntlantlc steamship companies with n view to preventing ships from rolling In heavy seas Two small steamships havo been equipped with "U" slmpod tanks, filled with wator. which flows In an opposlto direction to tho movement of tho sea, thus counterbalancing Its f' feet With two tanks working t.'o lateral movements of tho vessels woro from threo to four per cent ; with ono tank, from llvo to six per cent.; and, without the tanks, from eight to four-Icon four-Icon per cent Tho efficiency of tho rolling tank has surprised oven Its Inventors, and tanks aro to be In stalled on the largest vessels afloat Harper's Woekly |