James McClanahan (left) and Hendrik Rubingh (right) working on the original Sky Survey Atlas, 1955
Scope and Contents
Photos include telescopes, solar furnace, 120-inch machine identified, 120-inch machine central cabinet, 100-inch tank
- Creation: 1955
Conditions Governing Access
For more information consult the Caltech Archives Reproduction and Permissions.
Language of Materials
From the Collection: English