Smith, Philip H.Valve Mechanisms For High-Speed Engines; Their Design And Development Published By G. T. Foulis & Co. Ltd. 1967-01-01 Hardcover Good-. Good-. Hardcover GOOD-/GOOD-. Black illustrated dust jacket with a red spine, dust jacket in archival plastic protector. Approx. 9" x 5.5". 216pp. Bumps/chips to edges and corners. Rub wear. Significant rub wear to edges of illustration. Closed tear to back cover near top. Back cover is worn, dirt stains.