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Leebrick
Johannes
John
Daniel
George
William
Frank
Joyce Marie
Birth Year Events
(1730)
Births
Chas. Messier
J. Wedgwood
Oliver Goldsmith
Patents & Discoveries
Cobalt
discovered by Geo. Brandt
Perspective
(1730-1754)
1732
G. Washington born
Franz Joseph Haydn born
1735
Harrison invents the chronometer
John Adams born
Rubber discovered by Chas. Marie
1736
James Watt born
1737
Luigi Galvani born
1738
Chas. Cornwallis born
1740
Univ. of Penn. founded
1742
Celsius invents the temperature scale
1743
Thos. Jefferson born
1745
Alessandro Volta born
E.J. von Kleist invents the capacitor
1751
Croustedt isolates nickel
First mental asylum opens in London
1752
Franklin invents lightning conductor
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