45-inch test mirror on 60-inch machine

1937 April

Title
45-inch test mirror on 60-inch machine
Collection
Caltech Images Collection
Series
Academic Divisions and Departments
Sub-Series
Astronomy (Astrophysics)
Identifier
10.19-37
Dates
1937 April
Extents
1 photographs
Abstract
Note spherometer in center of disc. Palomar.
IIIF Manifest