1691 in science
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| List of years in science (Table) |
|---|
| … 1681 • 1682 • 1683 • 1684 • 1685 • 1686 • 1687 • 1688 • 1689 • 1690 – 1691 – 1692 • 1693 • 1694 • 1695 • 1696 • 1697 • 1698 • 1699 • 1700 • 1701 … |
| Related time period or subjects |
| … 1688 • 1689 • 1690 – 1691 – 1692 • 1693 • 1694 … … 1660s • 1670s • 1680s – 1690s – 1700s • 1710s • 1720s … … 16th century – 17th century – 18th century … |
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The year 1691 in science and technology involved some significant events.
Contents |
[edit] Astronomy
- The Hartmann Mask is invented by Christopher Scheiner, although most people know of it as a Hartmann Mask not a Scheiner Mask.
[edit] Exploration
[edit] Mathematics
- Michel Rolle invents Rolle's theorem.
[edit] Physics
[edit] Technology
- In music, the "equal temperament scale" used in today's music is developed by organist Andreas Werkmeister.
[edit] Births
[edit] Deaths
- December 30 - Robert Boyle, a founder of modern chemistry (* 1627)
