48-inch Schmidt--steel progress
1938 October 11
- Title
- 48-inch Schmidt--steel progress
- Collection
- Caltech Images Collection
- Series
- Academic Divisions and Departments
- Sub-Series
- Astronomy (Astrophysics)
- Identifier
- 10.22.22-7
- Dates
- 1938 October 11
- Extents
- 1 photographs