III · Science
Hands-On Science and Math
Subjects
Science, study and teaching (elementary) · Mathematics, study and teaching (elementary) · Creative activities and seat work · Science · Study and teaching (Elementary) · Mathematics
Language
ENG
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![Cover of [William Wheeler Hubbell, authorized to apply for patents.] by United States. Congress. Senate. Committee on Patents](https://covers.openlibrary.org/b/id/10200621-M.jpg)
