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bn:00000345n
Noun Concept
Categories: Inclinometers, Surveying instruments
EN
Abney level  topographic Abney level
EN
A surveying instrument consisting of a spirit level and a sighting tube; used to measure the angle of inclination of a line from the observer to the target WordNet 3.0
Definitions
Relations
Sources
EN
A surveying instrument consisting of a spirit level and a sighting tube; used to measure the angle of inclination of a line from the observer to the target WordNet 3.0 & Open English WordNet
An Abney level and clinometer 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. Wikipedia
IS A
surveyor's level
clinometer
DISCOVERER OR INVENTOR
William de Wiveleslie Abney
USE
Tree height measurement
WordNet 3.0 & Open English WordNet
EN
Abney level
Wikipedia
EN
topographic Abney level
Wikidata
EN
Topographic Abney Level
Wikipedia Redirections
EN
Abney level, Topographic Abney Level

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