Engraving, J Blenkinsop's Patent Steam Carriage, Middleton, near Leeds, about 1815. Lithograph depicting a left profile view of John Blenkinsop's rack locomotive hauling three chaldron wagons of coal on the Middleton Railway, Leeds. Text at bottom right reads "Topham Leeds". Additional text below reads "Engraved for Observations on a General Iron Railway. Published by Baldwin, Cradock and Joy, London. J. Blenkinsop's Patent Steam Carriage, Middleton near Leeds. Capable of moving One Hundred Tons 3 1/2 miles an hour on a Level Rail Road". Paper, pasted on a card mount. Illustration 94 x 180mm, with text 130 x 208mm.