Pouring concrete in horseshoe
1939 August 29
- Title
- Pouring concrete in horseshoe
- Collection
- Caltech Images Collection
- Series
- Academic Divisions and Departments
- Sub-Series
- Astronomy (Astrophysics)
- Identifier
- 10.22.4-24
- Dates
- 1939 August 29
- Extents
- 1 photographs