140 x 215mm, 48pp plus two fold-out drawings tipped inside rear. Softback with rexine cover. Good to VG condition. Previous owner’s details inside front cover, dated 1932. No other marks or inscriptions. Stitched binding. Guide to the use and operation of the vacuum brake, designed for railways by James Gresham in the 19th Century. Includes numerous B&W diagrams and line drawings. Scarce textbook.
