München & Berlin: R. Oldenbourg, 1923. 8vo (255 x 177 mm). [1-4] 5-92 pp., 3 lithographed folding plates and numerous diagrams in the text. Original publisher's printed wrappers, all pages uncut (light browning and soiling of covers, minor edge fraying, paper chipping to upper corner of lower wrapper and fore-margin..... More