The first jungle gym was meant to hack kids' brains
发布时间 2023-06-26 15:00:44 来源
摘要
Well before the first climbing frame was patented as "jungle gym", mathematician Charles Hinton thought they might be able to teach kids four-dimensional thinking. ■ Thanks to the Winnetka Historical Society! More from them: https://www.winnetkahistory.org/gazette/j-is-for-jungle-gym/
Original patents referenced:
https://patents.google.com/patent/US1471465A/
https://patents.google.com/patent/US1488244A/
https://patents.google.com/patent/US1488245A/
https://patents.google.com/patent/US1488246A/
Also referenced is "Winnetka: The history and significance of an educational experiment", by Washburne and Marland.
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