FIRST EDITION. Octavo, pp. vii, [3], 237. Frontispiece plan; 145 figures including 7 folding tables & diagrams and numerous monochrome photographs. Publishers’ yellow cloth with brown titles to spine and upper board, in unclipped grey dust-jacket. Cover cloth and spine toned and surface soiled with repair at head of spine/lower joint. Free endpapers toned; ownership inscription to half-title dated 1930. Jacket toned & soiled with minor loss at head of spine and corners, 2-inch ...