120-inch grinding machine with 120-inch disc
- Title
- 120-inch grinding machine with 120-inch disc
- Collection
- Caltech Images Collection
- Series
- Academic Divisions and Departments
- Sub-Series
- Astronomy (Astrophysics)
- Identifier
- 10.22.60-1
- Extents
- 1 photographs (negative)
- Abstract
- Full sized grinding tool in position. Numerous funnels permit grinding material to be fed through the tool to the surface.