Keith Angeletti, 10, uses counting pegs at 92nd Street School to learn adding units, tens, hundreds, thousands on October 30, 1965. It's a sort of homemade abacus.
92nd Street Elementary School (Los Angeles, Calif.) Students--California--Los Angeles Schools--California--Los Angeles Mathematics--California--Los Angeles Los Angeles Herald-Examiner photographs Herald-Examiner Collection photographs
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.