507 Mechanical Movementsが好きなら

This compendium of ingenious mechanisms employs simple drawings to explain 507 of the small components that constitute complex machinery. Left-hand pages feature illustrations, and facing pages offer brief descriptions of use and operation. Ranging from simple to complex, the mechanisms include cranks, pulleys, drills, wheels, and screws. - Back cover. The want of a comprehensive collection of illustrations and descr…