The World Almanac Book of Inventions Availability: 1 in stock SKU: 005808 £11.60 Qty: Add to cart Custom wishlist OK Add to wishlist Add to compare list Email a friend 368pp, mainly black and white photographs. Printed light card covers. Cover has several folds, corners rubbed. Pages tanning. 4to. Features more than 2000 inventions that changed the world from the vertical pedal cycle, to the motor bus, the transportable threshing machine to the combine harvester, Turing's machine to the Skylab.