Continuous furnace for breaking up quartz to be pulverized
1929 December 5
- Title
- Continuous furnace for breaking up quartz to be pulverized
- Collection
- Caltech Images Collection
- Series
- Academic Divisions and Departments
- Sub-Series
- Astronomy (Astrophysics)
- Identifier
- 10.22.01-7
- Dates
- 1929 December 5
- Extents
- 1 photographs (negative)
- Abstract
- Fused quartz mirror development.