1641 in science

none 1641 science 1641 The year 1641 in science and technology involved some significant events. Medicine Nicolaes Tulp's Observationes Medicae is published in Amsterdam. Technology The sealed thermometer is developed with Ferdinand II, Grand Duke of Tuscany, using a glass tube containing alcohol, which freezes well below the freezing point of water. Samuel Winslow is granted the first patent in North America by the Massachusetts General Court for a new saltmaking process.James W. Cortada Rise of the knowledge worker 8 Resources for the Knowledge-based Economy Knowledge Reader Series Butterworth-Heinemann 1998 141 0-7506-7058-4 Births March – Menno van Coehoorn, Dutch military engineer (died 1704) July 30 – Regnier de Graaf, Dutch physician and anatomist who discovered the ovarian follicles, which were later named Graafian follicles (died 1673) August 2 – Jacob Bobart the Younger, English botanist (died 1719) September 26 – Nehemiah Grew, English botanist and physician who makes some of the early microscopical observations of plants (died 1712) October 28 – Sir Philip Skippon, English traveller, naturalist and Member of Parliament (died 1691) Deaths January 3 – Jeremiah Horrocks, English astronomer (born 1618) March 8 – Xu Xiake, Chinese explorer and geographer (born 1587) July 5 – Simon Baskerville, English physician (born 1574) August 31 – Guy de La Brosse, French physician and botanist (born c. 1586) References Category:17th century in science Category:1640s in science