Abney level

Abney level
/ab"nee/, Survey.
a hand level for determining elevations and angles of slope.

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Universalium. 2010.

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  • Topographic Abney Level — A Topographic Abney Level is an instrument used in surveying which consists of a fixed sighting tube, a movable spirit level that is connected to a pointing arm, and a protractor scale. The Topographic Abney Level is an easy to use, relatively… …   Wikipedia

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