Livro online 507 Mechanical Movements – Brown, Henry T. – ISBN: 0486443604 para você comprar em loja virtual. Confira preço, ofertas e descontos.
This 1868 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.