Title: Ira Bowen with vacuum spectrograph.
Date: 1935
Original Format: photograph: negative
Description: 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.
Agent Subjects: Bowen, Ira Sprague
Topic Subjects: Physicists, Astronomers
Collection: Photograph Collection
Series/File: Individuals, Bowen, Ira Sprague
Caltech Archives ID: 1.2.2-2
