Hooker Reflector Dome

Front:
P-68 Dome of the 100 inch Hooker Reflector, Mount Wilson Observatory, California 8A-H3022

Back:
The Carnegie Astronomical Observatory of Washington, D. C. is located on the summit of Mount Wilson, in the Sierra Madre Moun- tains, 6,000 feet above sea level. Day and Night eight huge telescopes are busy probing the mysteries of the universe. The astronomi- cal museum is open to the public daily. WESTERN PUBLISHING & NOVELTY CO., LOS ANGELES, CALIF. "C.T.ART-COLORTONE' REG. U.S. PAT. OFF.