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How were pulleys invented?

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  • How were pulleys invented?


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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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