Stereoscopic Atlas of the Rat Embryo, 1938 with stereo viewer

STEREOSCOPIC ATLAS OF THE RAT EMBRYO, 1938, J.A. Long, PhD Associate Professor of Embryology and Paul L. Burlingame PhD Research Associate in Zoology University of California (Berkeley, California), complete with stereo viewer. Stereo views (50), silver gelatin prints, image size, 95 x 75mm, sheet size, 150 x 100mm, numbered and with description scheme in the negative, copyright typed verso.