20-inch disc for model of telescope in position for boring center hole
1936 December
- Title
- 20-inch disc for model of telescope in position for boring center hole
- Collection
- Caltech Images Collection
- Series
- Academic Divisions and Departments
- Sub-Series
- Astronomy (Astrophysics)
- Identifier
- 10.19-35
- Dates
- 1936 December
- Extents
- 1 photographs