Published by National X- Ray Refelctor Co, New York, 1922
Seller: Tavistock Books, ABAA, Reno, NV, U.S.A.
Broadside. One b/w photographic image and 7 b/w drawings. 16" x 10" A horizontal crease to center of broadside, and pencil and pen scribbling to upper half on the backside of poster. Withal, a VG copy. Now housed in a clear archival mylar sleeve.