Engels
Uitgebreide synoniemen voor Abney level in het Engels
Abney level:
Abney level [the ~] zelfstandig naamwoord
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the Abney level
– 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 1the Abney level– 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 1