Robert A. Millikan holding 2 C.R. electrometers

1928

Title
Robert A. Millikan holding 2 C.R. electrometers
Collection
Caltech Images Collection
Series
Individuals
Identifier
1.22-2
Dates
1928
Extents
1 photographs (negative)
Abstract
The electrometers were sent about ten miles into the atmosphere from San Antonio, TX to make cosmic ray intensity measurements in 1922.
IIIF Manifest