Atherton, William H. 1867- Conveyors and cranes : including continuous elevators, stackers, skip hoists, transporters and electric telphers / W. H. Atherton. - London : I. Pitman, c1947. - x, 357 p. : ill., diagrs. ;table,figs,photos, 22 cm. Includes Index, English LCCN: 48002026 Subjects--Topical Terms: Conveying machinery.Hoisting machinery. LC Class. No.: TJ1350 / .A783 Dewey Class. No.: 621.86/ATC