120-inch grinding machine with 120-inch disc

Title
120-inch grinding machine with 120-inch disc
Collection
Caltech Images Collection
Series
Academic Divisions and Departments
Sub-Series
Astronomy (Astrophysics)
Identifier
10.22.60-1
Extents
1 photographs (negative)
Abstract
Full sized grinding tool in position. Numerous funnels permit grinding material to be fed through the tool to the surface.
IIIF Manifest