seismographs
What instrument do we use to measure the electrical and mechanical vibrations
The instrument used to measure humidity is called a hygrometer.
The instrument used to measure humidity is called a hygrometer.
The barometer is the instrument that is used to measure the air pressure.
seismographs
Protractor...
thermostat
use a protractor to measure angles
The ceilometer instrument.
Anemometer is the instrument used to measure wind speed and direction.
A tape measure.
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