Materials from the Caltech Archives are made available online for research purposes. Permission for reproduction, distribution, public display, performance, or publication must be obtained in writing from the Head of Archives. The Caltech Archives makes no representation that it is the copyright owner in all of its holdings. It is the responsibility of the user to obtain all necessary rights and clearances for use of materials. For questions, contact Head of Archives.
The tube was developed and built at Caltech by Lauritsen and colleagues in 1928. In 1931 Millikan persuaded the Detroit cornflake magnate W. K. Kellogg to finance a new lab to house the research. Photo by Wide World Photos. Physics. No Date