Warner and Swasey Observator, Case Institute of Technology, 1962. Quarto. Item #027980
Inscribed by the author to the German astronomer Dr. Arthur Beer who was a member of the Royal Astronomical Society and the International Astronomical Union. Reprinted for private circulation. English Text, p. 37-78, illustrations. Bibliographic references, p. 78. Since much had been established on early-type stars, Upgren specialized on late-type stars in the vicinity of the north galactic pole using the Hamburg Schmidt telescope. Bound in blue-gray stiff paper wraps lettered in black some fading to front and rear panels. A very good copy.