A thermometer is a device that measures temperature or a temperature gradient (the degree of hotness or coldness of an object).
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Barometer
invented by Evangelista Torricelli
A barometer is a scientific instrument that is used to measure air pressure in…
Telescope
invented by Hans Lippershey
telescope is an optical instrument using lenses, curved mirrors, or a…
Friction machine
invented by Otto von guericke
An electrostatic generator, or electrostatic machine, is an electromechanical…
lead chamber process
invented by John Roebuck
The lead chamber process was an industrial method used to produce sulfuric acid…
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