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Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
5/3/2012
This apparatus was designed by Catherine Stern, a physicist by training and the founder of a Montessori school in her native Germany. Stern and her husband were of Jewish descent, and emigrated to New York City in 1938 to avoid persecution by the Nazis. There she developed these materials, descri
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