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by, Colby Garner
Thank you!
Christopher Wren invented the rain gaige in 1662. It measures the amount of rain that has fallen over a specific time period. Also it has a funnel,overflew cylinder ,and a measuring device. It works like this it goes thought the top of the funnel and there
Thermometer
It was invented by Daniel Fahrenheit in 1709.
Also it is used for measuring the air temperature.
Another thing is that it has closed glass tubes containing liquids like alcohol or mercury
It works when air around the tube heats the liquid
expands and moves up the tube it shows the tempeture.
The barometer was invented by an atalian scientest named torricelli built the first barometer in 1643. Also it is used for to measure air pressure it tells you whether or not the pressure is falling or rising. It has arrows,it is round, and has lots of numbers on it. A rising barometer means sunny and dry conditions,while a falling barometer means stormy and wet conditions.