Fahrenwald, A. W. 1890- The aerating capacity of flotation machines, by A. W. Fahrenwald. - Moscow, Id., University of Idaho, 1943. - 1 p. l., 4 numb. l., 28 cm. Reproduced from type-written copy. LCCN: gs 44000012 Subjects--Topical Terms: Flotation. LC Class. No.: TN24.I2 / A43 no. 64