Josef Johnson at the 18-inch Schmidt telescope
1939 April 4
- Title
- Josef Johnson at the 18-inch Schmidt telescope
- Collection
- Caltech Photographs
- Series
- Photographs of Academic Divisions and Departments
- Sub-Series
- Astronomy (Astrophysics)
- Dates
- 1939 April 4
- Extents
- 1 photographs (negative)
- Abstract
- Lower end showing observer at eye piece of guilding telescope. Palomar.