Crossword clue: an instrument used by surveyors in order to measure an angle of inclination or elevation
2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
an instrument used by surveyors in order to measure an angle of inclination or elevation
an instrument used by surveyors in order to measure an angle of inclination or elevation