Preparing to grind the five-ton disc
1934 April 23
- Title
- Preparing to grind the five-ton disc
- Collection
- Caltech Photographs
- Series
- Photographs of Academic Divisions and Departments
- Sub-Series
- Astronomy (Astrophysics)
- Dates
- 1934 April 23
- Extents
- 1 photographs (negative)