Nobody knows for sure but it was probably one of the "Simple Machines"
Lever, Wheel, Pulley, Ramp, Wedge or Screw
My guess is that it was the lever
How many people guessed Screw?
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The first hand was invented in 1701.
dick.fread was the first person who invented the ute
uhhh.... I think you mean: where was the first toilet invented. In Bristol
Money was invented long before the 1700s. The first "money" was just bartering, trading one thing for another thing. Then metal objects were introduced as money around 5000 B.C. The Lydians were the first to make and use coins, around 700 B.C. Please see the related link below for more information.
Charles Richard Drew invented the first blood bank.