1641 in science

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The year 1641 in science and technology involved some significant events.

Contents

1 Technology
2 Births
3 Deaths
4 References

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.^[1]

Births

March - Menno van Coehoorn, Dutch military engineer (d. 1704)
July 30 - Regnier de Graaf, Dutch physician and anatomist who discovered the ovarian follicles, which were later named Graafian follicles (d. 1673)
September 26 - Nehemiah Grew, English botanist and physician who made some of the early microscopical observations of plants (d. 1712)

Deaths

January 3 - Jeremiah Horrocks, English astronomer (b. 1618)
March 8 - Xu Xiake, Chinese explorer and geographer (b. 1587)
Guy de La Brosse, French physician and botanist (b. c.1586)

References

^ Cortada, James W. (1998). "Rise of the knowledge worker". Resources for the Knowledge-based Economy. Knowledge Reader Series. 8. Butterworth-Heinemann. p. 141. ISBN 0750670584.