Top section of main girder being installed, Hooker telescope building, Mount Wilson Observatory. The rest of the structural framework for the dome is also seen. Trees are in the surrounding area. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Girders Framing (Building) Steel, Structural Observatory domes Hoisting machinery Construction--California Mount Wilson Observatory Astronomical observatories Trees Photographic prints. (gmgpc)
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.