Technical drawing for trade students : a course of practical instruction for use in technical schools, junior technical institutes, and especially for those preparing for the RoyaL society of arts "Grouped course examination" . / Raymond S. Forbes. Forbes, Raymond S. Mechanical drawing. T353 .F7 744.4 FOT "First published 1946." includes index. London : Batsford , c1946. c1946. 1946 Text vii, 128 p. : eng