View of a biplane flying over Throop Hall at the California Institute of Technology. Crowds are gathered on the steps of Throop Hall and on the grounds outside, with some shade being provided by parasols.
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.