Wylam locomotive 'Puffing Billy', scale 1/4 inch to one foot, c 1810-20

Drawing by Colin Binnie. 'Puffing Billy' was designed and built by colliery official William Hedley (1779-1843), for use at Wylam Colliery in the north-east of England. With its sister locomotive, 'Wylam Dilly', Puffing Billy is the oldest surviving locomotive in the world. It ran over a five-mile stretch of track between Wylam and the staithes at Lemington-on-Tyne between 1813 and 1861.