Fused quartz mirror blank no. 7
- Title
- Fused quartz mirror blank no. 7
- Collection
- Caltech Photographs
- Series
- Photographs of Academic Divisions and Departments
- Sub-Series
- Astronomy (Astrophysics)
- Extents
- 1 photographs
- Abstract
- Blank is 22-inch in diameter. Fused quartz mirror development.