Technical Abstracts. April 1948. W. GRAFF, W. N. HARRISON, D. G. MOORE, J. C. RICHMOND, H. C. FARMER, G. P. MIRA, H. G. BRAENDEL, P. W. A. VAn HATTUM, O. C. BRIDGEMAN, E. W. ALDRICH, J. B. ROMANS, J. D. COCKCROFT, etc., 'Journal of Commerce (Shipbuilding and Engineering)', 'Mechanical World', 'Bulletin Technique du Bureau Veritas', 'Admiralty Corrosion Committee', 'Nautical Gazette', B.I.O.S.,