Grinding 22-inch quartz mirror blank
1929 May 9
- Title
- Grinding 22-inch quartz mirror blank
- Collection
- Caltech Images Collection
- Series
- Academic Divisions and Departments
- Sub-Series
- Astronomy (Astrophysics)
- Identifier
- 10.22.01-1
- Dates
- 1929 May 9
- Extents
- 1 photographs
- Abstract
- Fused quartz mirror development.