ili:i49768
http:| rdf: | type | |
| skos: | definition | 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 |
Semantic relations
| ∴dns: | linked concept | en: Abney level |
Other
| Source | http: |
∴ fully or partially logically inferred
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