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.
Description
This piece of equipment was used by Anderson to discover the positron--the first empirical evidence for the existence of antimatter--in 1932. Four years later they announced the discvery of mesons (muons). Housed in the Guggenheim Aeronautical Lab, the apparatus was in service for seventeen years. Photo from E&S, Caltech Office of Public Relations. No Date
If you're wondering about permissions and what you can do with this item, a good starting point is the "rights information" on this page. See our terms of use for more tips.
Share your story
Has Calisphere helped you advance your research, complete a project, or find something meaningful? We'd love to hear about it; please send us a message.
