This specific ISBN edition is currently not available.View all copies of this ISBN edition:
An introduction to six simple machines--the lever, the inclined plane, the screw, the wheel and axle, the wedge, and the pulley--and their use in more complex machines such as derricks, bulldozers, and metal lathes.
"synopsis" may belong to another edition of this title.
Book Description HarperCollins, 1983. Condition: New. book. Seller Inventory # M0690043007