Engineering and Shipbuilding Draughtsmen.
Industrial Heat Treatment
Application of Electric Furnaces.
By E. F. WATSON
Published by The Draughtsman Publishing Co., Ltd., 96 St. George's Square, London, S.W.I.
fjK SESSION 1938-39.
y" Printed bv Miln«, TannVhill & Mrthvbn, Lid. (T.U.), 12-14 Mill Street, Perth.