120-inch disc on table of 120-inch grinding machine
- Title
- 120-inch disc on table of 120-inch grinding machine
- Collection
- Caltech Images Collection
- Series
- Academic Divisions and Departments
- Sub-Series
- Astronomy (Astrophysics)
- Identifier
- 10.22.61-1
- Extents
- 1 photographs (negative)
- Abstract
- Disc is face up, and face is fine-ground so rib structure is visible through front surface.