weight. He died in London for the lower forms of occupational conditions (Eutechnics), (see INDUSTRIAL PSYCHOLOGY; INTELLIGENCE Tesrs. BIRLIOGRAPHY.— F. W. F. Book, Learning to Typewrite (1925); Sce also Trans. Hum. Eng. Soc. U S.A. (New York); Elektro- technische Zetischrift (Berlin); Journal of the frozen river Aa, within range of budget