Book Title: A treatise of the mechanical powers. I. Of the lever, II. The wheel and axle, III. The pulley, IV. The screw, V. The wedge, and, VI. The inclined plane. To which are added, several useful improvements in mill work, bevel, geer, friction. The best shape for teeth in wheels, &c. By John Imison.
Book ESTCID: T055771
Appearing on Page: 49