. . "A drier with a vertical drying chamber is described in this publication. In this type the drying chamber contains no moving parts and the seed cotton is carried though it by the blast of drying air. Because of the simplicity of this design, it is more economical to construct and to operated than earlier types of driers."@en . . . . . "The vertical drier for seed cotton. Revised"@en . . . . . . . . . "The vertical drier for seed cotton"@en . . .