200-inch telescope dome building--pouring the mezzanine floor
1937 April 12
- Title
- 200-inch telescope dome building--pouring the mezzanine floor
- Collection
- Caltech Images Collection
- Series
- Academic Divisions and Departments
- Sub-Series
- Astronomy (Astrophysics)
- Identifier
- 10.18.1-52
- Dates
- 1937 April 12
- Extents
- 1 photographs