Sturmius, John Christopher

, a noted German mathematician and philosopher, was born at Hippo! stein in 1635. He was a professor of philosophy and mathematics at Altdorf, and died there Dec. 26, 1703. In 1670, he published, 1. A German translation of the works of Archimedes; and afterwards produced many other books of his own. 2. “Collegium experimental curiosum,” Nuremberg, 1676, 4to; reprinted in 1701, 4to, a very curious work, containing a multitude of interesting experiments, neatly illustrated by copper-plate figures printed upon almost every page, by the side of the letter-press. Of these, the 10th experiment is an improvement on father Lana’s project for navigating a small vessel suspended in the atmosphere by several globes exhausted of air. '6. “Physica electiva, et Hypothetica,” Nuremberg, 1675, 2 vols. 4to; reprinted at Altdorf, 1730. 4.“Scientia Cosmica,” Altdorf, 1670, folio. 5. “Architecture militaris Tyrocinia,” at the same place, 1682, folio. 6. “Epistola de veritate proposiiionum Borellide motu animalium,” 4to, Nuremb. 1684. 7. “Physicae conciliatricis Conamina,” Altdorf, 1684, 8vo. 8. “Mathesis enucleata,” Nuremb. 1695, 8vo. 9. “Mathesis Juvenilis,” Nureiwb. 1699, 2 vols. 8vo, 10. “Physicae modernae compendium,” Nuremb. 1704, 8vo. 11. “Tyrocinia mathematica,” Leipsic, 1707, folio. 12. “Praelectiones Academics,1722, 4to. 13. “Praelectiones Academics,Strasburg, 12mo. The works of this author are still more numerous, but the most important of them are here enumerated. 2