120-inch disc on table of 120-inch grinding machine

Title
120-inch disc on table of 120-inch grinding machine
Collection
Caltech Images Collection
Series
Academic Divisions and Departments
Sub-Series
Astronomy (Astrophysics)
Identifier
10.22.61-1
Extents
1 photographs (negative)
Abstract
Disc is face up, and face is fine-ground so rib structure is visible through front surface.
IIIF Manifest