Engineering Drawing - William Symington; Original Steam Boat for Patrick Miller Esq; 1787-1788; Ink and water-colour technical drawing showing a longitudinal cross-sectional elevation of the first paddlesteamer built by the Scottish engineer and inventor; William Symington; C.E.; with assistance from James Taylor and others; in 1787-88. The vessel depicted is an experimental steam-powered paddleboat built for Patrick Miller Esq.; a prominent Edinburgh merchant and banker. Late in 1787;