Cutting the worm gears of the 100-inch telescope, Mount Wilson Observatory. Two unidentified men are seated at the worm wheel of the 100-inch reflecting telescope, and are working on the gears and wires for operating the telescope's fork. Both men appear to be wearing suits; the man on the right-hand side is also wearing a hat. 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.
