III · Science
Science Explorer,
Subjects
Children: Young Adult (Gr. 7-9) · Science & Nature - General · Juvenile Nonfiction · Science · Study and teaching (Middle school) · Study and teaching (Secondary)
Language
ENG




![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)
