R. A. & Sideral time control unit for 200-inch
1946 May
- Title
- R. A. & Sideral time control unit for 200-inch
- Collection
- Caltech Photographs
- Series
- Photographs of Academic Divisions and Departments
- Sub-Series
- Astronomy (Astrophysics)
- Dates
- 1946 May
- Extents
- 1 photographs