CLARK, David Kinnear. Railway Machinery: a Treatise on the Mechanical Engineering of Railways, Glasgow: Blackie and Son, 1855, 2 volumes, 2°, FIRST EDITION, 68 engraved plates, most double-page (most plates lightly dampstained at outer edge, a few lightly browned), contemporary half roan gilt (rubbed, front inner hinges of plate volume broken). (2)