LincolnTheInventor This replica of a wag-on was whittled byAbraham Lincoln about1850, The front wheelsmove but the axle re-mains stationary. Thesame principle is util-ized in todays auto-mobiles. , … This is the scale model of a river boat on which Lincolnobtained letters of patent on May 22, 1849. The inventionwas an improvement for lifting vessels over shoals and con-sisted of a bellows on either side of the hull just below thewater line. The air chambers were intended to buoy up thevessel…
