Chain Belt Company. (1939). Rex chains and sprockets: A catalog and application book for chain drives and conveying equipment...containing list prices, weights and general information on the design and application of sprocket chains, sprocket wheels, belt conveyor idlers, screw conveyors, elevator buckets and other power transmission equipment. Baldwin-Duckworth Division.
Cita Chicago (17th ed.)Chain Belt Company. Rex Chains and Sprockets: A Catalog and Application Book for Chain Drives and Conveying Equipment...containing List Prices, Weights and General Information on the Design and Application of Sprocket Chains, Sprocket Wheels, Belt Conveyor Idlers, Screw Conveyors, Elevator Buckets and Other Power Transmission Equipment. Milwaukee: Baldwin-Duckworth Division, 1939.
Cita MLA (9th ed.)Chain Belt Company. Rex Chains and Sprockets: A Catalog and Application Book for Chain Drives and Conveying Equipment...containing List Prices, Weights and General Information on the Design and Application of Sprocket Chains, Sprocket Wheels, Belt Conveyor Idlers, Screw Conveyors, Elevator Buckets and Other Power Transmission Equipment. Baldwin-Duckworth Division, 1939.