space and secured against, injury. It is also stated that President Lincoln wasthe inventor of the very ingenious method ofemptying boats of water when they bad be-come so filled that balling was necessary, Hebored a hole in the bottom of the boat andby heading the boat up stream in an… … One of the most valuable of the gov-ernments unique collection of patentmodels the finest in t! world, is No.^69 granted May 22, 1849 to Abra-ham Lincoln for method of lifting ves-sels over shoals. The device consistsof the application to a river steamer,of two or more collapsible floats made like…