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Our Family Genealogy Pages

Sarah PRATT
 1745 - 1797

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Timeline

1745
1755
1766
1776
1787
1797


 
 
 




   Year  Event(s)
1745 
  • E.G. von Kleist invents the leyden jar, the first electrical capacitor.
1752 
  • Benjamin Franklin invents the lightening rod.
1755 
  • Samuel Johnson publishes the first English language dictionary.
1757 
  • John Campbell invents the sextant.
1758 
  • Dolland invents a chromatic lens.
1760 
  • George III. Ruler of England 1760-1820. House of Hanover: Grandson of George II, married Charlotte of Mecklenburg.
1761 
  • Englishmen, John Harrison invents the navigational clock or marine chronometer for measuring longitude.
1764 
  • James Hargreaves invents the spinning jenny.
1767 
  • Joseph Priestley invents carbonated water - soda water.
10 1768 
  • Richard Arkwright patents the spinning frame.
11 1769 
  • James Watt invents an improved steam engine.
12 1774 
  • Georges Louis Lesage patents the electric telegraph.
13 1775 
  • Alexander Cummings invents the flush toilet.
  • Jacques Perrier invents a steamship.
14 1776 
  • David Bushnell invents a submarine.
  • July 4, 1776 -- Declaration of Independence
15 1779 
  • Samuel Crompton invents the spinning mule.
16 1780 
  • Benjamin Franklin invents bi-focal eyeglasses.
  • Gervinus invents the circular saw.
17 1783 
  • Benjamin Hanks patents the self-winding clock.
  • Englishmen, Henry Cort invents the steel roller for steel production.
  • Joseph Michel Montgolfier and Jacques Etienne Montgolfier invent the hot-air balloon.
  • Louis Sebastien demonstrates the first parachute.
18 1784 
  • Andrew Meikle invents the threshing machine.
  • Joseph Bramah invents the safety lock.
19 1785 
  • Blanchard invents a working parachute.
  • Charles Augustus Coulomb invents the torsion balance.
  • Claude Berthollet invents chemical bleaching.
  • Edmund Cartwright invents the power loom.
20 1786 
  • John Fitch invents a steamboat.
21 1789 
  • George Washington first president of the United States 1789-1797.
  • The guillotine is invented.
22 1790 
  • The United States issued its first patent to William Pollard of Philadelphia for a machine that roves and spins cotton.
23 1791 
  • Early bicycles invented in Scotland.
  • John Barber invents the gas turbine.
24 1792 
  • The first ambulance.
  • William Murdoch invents gas lighting.
25 1794 
  • Eli Whitney patents the cotton gin.
  • Welshmen, Philip Vaughan invents ball bearings.
26 1795 
  • Francois Appert invents the preserving jar for food.
27 1796 
  • Edward Jenner creates a smallpox vaccination.
28 1797 
  • A British inventor, Henry Maudslay invents the first metal or precision lathe.
  • John Adams president of the USA 1797-1801.
  • Wittemore patents a carding machine.

  
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