Built in 1802, the tugboat Charlotte Dundas was innovative in having this type of engine
[DOC] [TLE] Steamboat - Research OMICS Group | The Science Search Engine [PAR] Papin invented the steam digester (a type of pressure cooker) and ... William 
Henry of Lancaster, Pennsylvania, having learned of Watt's engine on a visit to 
England ... Charlotte Dundas, the first practical steamboat, built by William 
Symington.