ained that Lin-colns plan had been to provide pon-toons pierced by sliding spars andshafts in such a manner that theycould be filled with air and forcedinto the water, buoying up any ves-sel by displacement of water. No one present seemed to knowwhat had happened to A. Lincolnsdream, but a lively… … Device MeantTo Lift BoatsOver Sandbar Principle SimilarTo Raising OneselfBy Own Bootstraps Abraham Lincoln, whose birthday(he Nation celebrates tomorrow,took time off from his duties as aCongressman to invent and paten,a device for lifting river steam-boats over sand bars, records of thePatent…
