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Levi ben Gerson and the Cross Staff Revisited
- Aleph: Historical Studies in Science and Judaism
- Indiana University Press
- Volume 11, Number 2, 2011
- pp. 365-383
- 10.2979/aleph.11.2.365
- Article
- Additional Information
On the occasion of the issuance in 2009 of an Israeli postage stamp honoring Levi ben Gerson (d. 1344) and the astronomical instrument he invented, we offer a brief survey of descriptions of this instrument, illustrations of it, and names that have been used for it over the centuries in Hebrew, Latin, and the vernacular European languages. Also, the images on the stamp are put in historical perspective.