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Scientific Instruments and their uses

Following is the list of Important Scientific Instruments and their uses.

Scientific InstrumentUsed to Measure
AmmeterElectric Current
BarometerAtmospheric Pressure
Voltmeter Electrical Potential Difference
GalvanometerElectric Current
HydrometerSpecific Gravity of Liquids
HygrometerHumidity
MicroscopeMagnifying small objects (Viewing objects small for the naked eye)
TelescopeViewing objects at great distances
PeriscopeUsed for observation from a concealed position
TelemeterDistance from observer
LactometerSpecific gravity of milk
SeismographRecording Earthquakes
CardiographRecording movements of the heart