Declination bearing 27-inch ID, 44-inch OD
1937 April 16
- Title
- Declination bearing 27-inch ID, 44-inch OD
- Collection
- Caltech Images Collection
- Series
- Academic Divisions and Departments
- Sub-Series
- Astronomy (Astrophysics)
- Identifier
- 10.17.1-15
- Dates
- 1937 April 16
- Extents
- 1 photographs
- Abstract
- Work was done at Westinghouse Electric Plant.