Knife-edge test on the 200-inch mirror
1947 August 4
- Title
- Knife-edge test on the 200-inch mirror
- Collection
- Caltech Images Collection
- Series
- Academic Divisions and Departments
- Sub-Series
- Astronomy (Astrophysics)
- Identifier
- 10.22.76-8
- Dates
- 1947 August 4
- Extents
- 1 photographs