English
Detailed Synonyms for Abney level in English
Abney level:
Abney level [the ~] noun
-
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