An instrument for measuring azimuths, particularly a device which fits over a central pivot in the glass cover of a magnetic compass.

Related Terms

RESTRICTOR

A device for producing a deliberate pressure drop or resistance in a line by reducing the cross-sectional flow area.

SAFETY CONTROL

Device to stop unit, equipment or system if unsafe pressure and/or temperatures and/or dangerous conditions are reached.

AIR COOLER

A factory-encased assembly of elements whereby the temperature of air passing through the device is reduced.

FILTER ELEMENT

The porous device that performs the actual process of filtration. Also known as Cartridge

AMMETER

An instrument for measuring the magnitude of electric current flow.

COMPRESSOR

A device which converts mechanical force and motion into pneumatic flow power.

HYDROMETER

An instrument for determining either the specific gravity of a liquid or the API gravity.

ARMATURE DEMAGNETIZATION

The reduction in the effective magnetic lines of force, produced by the armature current.

REFRIGERATOR

A device to transfer heat from a low temperature to a high temperature medium.

AIR BREATHER

A device permitting air movement between atmosphere and the component in/ on which it is installed.

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