SIGHTGLASS

Sight glass

A sight glass or water gauge is a transparent tube through which the operator of a tank or boiler can observe the level of liquid contained within.

The above text is a snippet from Wikipedia: Sight glass
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sight glass

Noun

  1. water gauge


The above text is a snippet from Wiktionary: sight glass
and as such is available under the Creative Commons Attribution/Share-Alike License.

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