8.5" x 5.75" x 1.5". 590 pages. Clean Copy, small water spot on top of page block, minor wear and soil to edges, some water spots to spine of dust jacket. This translation and adaptation from the revised edition by C. van Amerongen, M.Sc., A.M.I.C.E., Copyright 1967 George Allen & Unwin Ltd. Published in Great Britain as "The Universal Encyclopedia of Machines or how things work." Our book number 49080.