Paperback. 59-284pp. Octavo [23.5 cm] Tan and black printed wraps. Good only. The rear wrap is absent. There are several notations in pen on the front wrap. Previous owner's blind stamp on the front cover, and again on the first page. There is a small light moisture stain on the front wrap. The paper of the spine is torn. The pages are clean and bright. Item #29414
Reprinted from the Bulletin of the Scientific Laboratories of Denison University Vol. XVIII, pp. 59-284. December, 1915.