A textbook of glass technology: By E. W. Hodkin,B.S., A.I.C., and A. Cousen,M.S., A.R.C.S., AI.C. With a foreword by Professor Turner,of the Department of Glass Technology,University of Sheffield. xxiii-55i pages, 251 illustrations, 8vo. New York,D. Van Nostrand Company, 1925. Price, $12 net |