III · Science
Ad radices
Subjects
Science · Universität Frankfurt am Main · Astronomical instruments · Universität Frankfurt am Main. Institut für Geschichte der Naturwissenschaften · Mathematics · Astronomy
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)
