Bottom ring set in place

1937 April 20

Title
Bottom ring set in place
Collection
Caltech Images Collection
Series
Academic Divisions and Departments
Sub-Series
Astronomy (Astrophysics)
Identifier
10.17.1-29
Dates
1937 April 20
Extents
1 photographs
Abstract
Work was done at Westinghouse Electric Plant.
IIIF Manifest