60-inch grinding machine showing 45-inch mirror blank with plaster inserts in back
- Title
- 60-inch grinding machine showing 45-inch mirror blank with plaster inserts in back
- Collection
- Caltech Images Collection
- Series
- Academic Divisions and Departments
- Sub-Series
- Astronomy (Astrophysics)
- Identifier
- 10.19-32
- Extents
- 1 photographs