Reciprocating sieve mechanism with feed and discarge containers
1930 July 1
- Title
- Reciprocating sieve mechanism with feed and discarge containers
- Collection
- Caltech Images Collection
- Series
- Academic Divisions and Departments
- Sub-Series
- Astronomy (Astrophysics)
- Identifier
- 10.22.01-25
- Dates
- 1930 July 1
- Extents
- 1 photographs (negative)
- Abstract
- Fused quartz mirror development.