bn:00153329n
Noun Concept
Categories: Vertical position, Surveying, Civil engineering, Geomatics engineering
EN
levelling  Check levelling  differential leveling  differential levelling  Double-level
EN
Levelling or leveling is a branch of surveying, the object of which is to establish or verify or measure the height of specified points relative to a datum. Wikipedia
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EN
Levelling or leveling is a branch of surveying, the object of which is to establish or verify or measure the height of specified points relative to a datum. Wikipedia
Measurement of geodetic height using a levelling instrument and a level staff. Wikipedia Disambiguation
In topography, measurement of height difference between points Wikidata