Week 23 Inventions

I learned about three inventions this week: the Mercury Barometer, the Vacuum Pump, and the Pendulum Clock.

The first invention I learned about is the Mercury Barometer. The Mercury Barometer is an instrument that measures atmospheric pressure.  It impacted history because it helped invent electricity.

The next invention I learned about is the Vacuum Pump.  The Vacuum Pump is an instrument that creates a vacuum.  It impacted history because without the vacuum pump people would not have vacuums.

The last invention is the Pendulum Clock.  The Pendulum Clock is a clock that uses a pendulum to work.  It impacted history because it was a really accurate clock so people could be more on time.

To wrap it up, I learned about the Mercury Barometer, the Vacuum Pump, and the Pendulum Clock which all helped life become easier and better.

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