104″ grindng tool on 200″ disc

In collections

Details

Title: 104″ grindng tool on 200″ disc
Date: 1938-01-03
Original Format: photograph: print
Description: Depth of concavity 3.25″. Palomar.
Collection: Photograph Collection
Series/File: Academic Divisions
Caltech Archives ID: 10.19-44
Copyright: The Caltech Archives has not determined the copyright status of this image.