Interior of the east room in Mount Wilson Observatory's physical laboratory in Pasadena. A variety of electric aparatus and appliances fill the room. The ceiling is corrugated sheet metal. At the far right-hand side an open door leads to what appears to be a small library, or an office. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
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.
