uments. Today, fewer than 1,000 ofthese models are accounted for, about500 of which are on exhibit this springat the Smithsonian Institutions Coo-per-Hewitt Museum in New YorkCity. Lincolns 1849 model of a steamboatcontained tall, thin air-filled buoyantchambers. When the piston in thebuoyant… … John Leeoys sugar evaporator was toovercome a Civil War whiskey shortage. to draw the sweetener from sorghumfor the efficient manufacture of whis-key. If you think youve come across anold patent model, send me a photo-graph and a brief description and welltry to verify it for you. The…
