Engineering Drawing - William Symington; 'Charlotte Dundas'; Steam Boat Invented for Lord Dundas; 1801-1803; Ink and water-colour technical drawing showing a longitudinal cross-sectional elevation of the fourth and final experimental paddlesteamer built under the direction of the Scottish engineer and inventor; William Symington; C.E.. The vessel depicted is the second of two steam-powered paddleboats designed by Symington for the Forth and Clyde Navigation Company at the instigation of Lord Dundas (Sir