Ira Bowen with vacuum spectrograph., 1935
Scope and Contents
This folder includes Bowen's apparatus
- Creation: 1935
Conditions Governing Access
For more information consult the Caltech Archives Reproduction and Permissions.
1 photographs (negative)
Language of Materials
From the Collection: English
Ira Bowen at work with a vacuum spectrograph at Caltech. Work with this instrument was started at the University of Chicago in 1916 by Dr. Robert Millikan. It has been at use at Caltech since 1933. Investigations have been carried on in the structure of individual atoms such as flourine, chlorine, chromium, manganese and iron.