Editore: Williams & Wilkins Co., 1926
Da: J. HOOD, BOOKSELLERS, ABAA/ILAB, Baldwin City, KS, U.S.A.
Hardcover. 302pp. Covers darkened, spine ends frayed a bit, pages age toned, small amount of pencil marginalia else very good copy without a dust jacket.
Hard Cover. Condizione: Very Good-. 302 pages, illustrated. "A discission of light and other radiations in relation to life and to health." asimplied presentation of their relationsips and their importance human efficiency and welfare." VERY GOOD- HARDCOVER, blue cloth ocovers, lettering is bright on the spine. Size: 8vo - over 7¾" - 9¾" tall.