1.Fathometer :
A depth finder Instrument that uses sound waves to determine the depth of water.
2.Geiger Counter :
Instrument for recording the amount of radiation emitted by a source of radio-activity.
3.Hydrometer :
Instrument used for measuring the density of liquids
4.Hydrophone :
Instrument used for recording sound under water
5.Hygrometer :
Instrument for measuring the moisture content in the atmosphere.
6.Kymograph :
Instrument for recording variations in pressure, e.g. in sound waves or in blood within blood vessels, by the trace of a stylus on a rotating.
7.Lactometer :
Aparatus used for measuring the purity of milk.
8.Manometer :
Instruments used to measure pressure are called pressure gauges or vacuum gauges.
9.Odometer :
Instrument by which the distance covered by wheeled vehicles is recorded.
10.Oscillograph :
Instrument for measuring alternating or varying electric current in terms of current and voltage.
A depth finder Instrument that uses sound waves to determine the depth of water.
2.Geiger Counter :
Instrument for recording the amount of radiation emitted by a source of radio-activity.
3.Hydrometer :
Instrument used for measuring the density of liquids
4.Hydrophone :
Instrument used for recording sound under water
5.Hygrometer :
Instrument for measuring the moisture content in the atmosphere.
6.Kymograph :
Instrument for recording variations in pressure, e.g. in sound waves or in blood within blood vessels, by the trace of a stylus on a rotating.
7.Lactometer :
Aparatus used for measuring the purity of milk.
8.Manometer :
Instruments used to measure pressure are called pressure gauges or vacuum gauges.
9.Odometer :
Instrument by which the distance covered by wheeled vehicles is recorded.
10.Oscillograph :
Instrument for measuring alternating or varying electric current in terms of current and voltage.
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