(DEEP SPACE) A set of 8 large and evocative photographs (in negative) of the night sky, from a star study done by National Geographic at the Palomar Observatory, San Diego County, California. Silver prints, 14x14 1/8 inches (35.6x35.9 cm.), sheet sizes approximately 14x17 inches (35.6x43.2 cm.), each with notations, in grease pencil, and numeric notations, in ink, on recto. Circa 1949-50
