The Observational Approach to Cosmology

First Printing in gilt-stamped full dark blue buckram, no markings, NOT ex-lib, binding tight pages bright & unfoxed, minor shelf/edge wear to heavy boards, spine a touch faded but titles remain clear & bright, small blindstamped name to first two endpaper corners, else Fine copy of this scarce title by the father of modern astronomy who finally mapped with observable data the absolute dimensions of the galaxies from the Mount Wilson Observatory in Califonia during the 1920s and 1930s; these lectures, along with his classic book, The Realm of the Nebulae (which appeared the same year these lectures were given - 1936), constitute Hubble's revolutionary contributions to astronomy and are valuable documents in the history of science; Detailed Contents: I. The Observable Region as a Sample of the Universe; II. The Role of the Red-Shifts; III. Possible Worlds; and a Summary of Observable Results; 8vo; (xi) 68pp indexed & illus.