Description: This series includes 44 photographs, most approximately 8x10 inches, dated ca. 1956-1970, of Barrett at the U.S. Naval Research Laboratory and University of Michigan, of the Michigan 85 foot telescope, photos thought to be from Barrett's 1964…
Description: This series includes chronological correspondence from 1962-1964 when Barrett was at MIT. Correspondence includes discussions with colleagues about instruments and research, correspondence about students, correspondence about publications,…
