Definitions for "Water gauge"
An instrument for measuring or ascertaining the depth or quantity of water, or for indicating the height of its surface, as in the boiler of a steam engine. See Gauge.
The gauge glass and its fittings for attachment.
Fitted to the boiler in a locomotives cab the water gauge shows the level of water in the boiler. The gauge is usually a strong glass tube, which lead to sayings such a `half a glass' when referring to boiler water level. It is often surrounded by a protective cage to prevent it being knocked, and also to prevent broken glass being sprayed around the cab if it should break.
See INCHES OF WATER.
A means of designating pressure or differential pressure in terms of the height of an equivalent column of water, commonly expressed as inches w.g. in the English system (1 inch = 0.036psi).
Instrument that measures differential pressures in inches of water.
A wall or bank to hold water back.
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see
See wg.