20-inch Pyrex disc of selected pieces of cullet on 30″ machine
1937 April
- Title
- 20-inch Pyrex disc of selected pieces of cullet on 30″ machine
- Collection
- Caltech Images Collection
- Series
- Academic Divisions and Departments
- Sub-Series
- Astronomy (Astrophysics)
- Identifier
- 10.19-41
- Dates
- 1937 April
- Extents
- 1 photographs