In center foreground is a seismic wave recorder (rocks on tops of cover) powered by current transmitted from light colored pole (to left of water tank in center) where solar energy converter is mounted. Photo dated: December 20, 1973. Photo dated: December 20, 1973.
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.