Declination gear-case construction
1940 January 3
- Title
- Declination gear-case construction
- Collection
- Caltech Images Collection
- Series
- Academic Divisions and Departments
- Sub-Series
- Astronomy (Astrophysics)
- Identifier
- 10.22.4-9
- Dates
- 1940 January 3
- Extents
- 1 photographs