How were pulleys invented?

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  • How were pulleys invented?


The first pulley can be traced back to Mesopotamia in 1500 B.C., when people used pulleys to hoist water. The first compound pulleys were invented by the ...
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Positive: 51 %
Although nobody can say for certain when or where the pulley was invented, ... Ancient Greek Invention of the ... pulleys to enable ...
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Positive: 48 %

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Gears: An Historical Note: ... Early gears were made from wood with cylindrical pegs for cogs and were often lubricated with animal fat grease.
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Positive: 51 %
Who invented it? The origin of pulleys is not known, but there is evidence that they were used in the building of Stonehenge, in England. One of the first ...
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Positive: 46 %
Why Was The Computer Invented When ... supposing there were a ... in which a complex arrangement of wheels and pulleys drew a graph showing the sea level ...
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Positive: 32 %
Pulleys and levers and wheels and axles are simply levers wrapped in a circle with various mechanical advantages. Once the wheel was invented, it wasn't a ...
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Positive: 9 %

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