- 1690 in science
The year 1690 in
science andtechnology involved some significant events.Technology
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Denis Papin , while inLeipzig and having observed the mechanical power of atmospheric pressure on his 'digester', he builds a working model of apiston steam engine , the first of its kind.
* The firstpaper money is printed in America.Astronomy
* Giovanni Cassini observes
differential rotation within Jupiter's atmosphere.
* Earliest recorded sighting of theplanet Uranus, byJohn Flamsteed , who mistakenly catalogues it as thestar 34 Tauri.Births
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March 18 -Christian Goldbach , Prussian mathematician (died 1764)
*Jan Frederik Gronovius , Dutch botanist (died 1762)Deaths
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