Berlin: Springer, 1924. First. hardcover. Illustrated with 235 small in-text figures. x, 561pp plus ads. Thick 8vo, rebound in older blue cloth (a bit rubbed; spine darkened) with the original printed wrappers bound-in. Berlin: Julius Springer, 1924. First Edition. A very good(+) copy, internally fine save for a neatly inked signature inside front cover. very good(+).