levelling staff, leveling staff, levelling pole, levelling rod, level rod, level pole
graduated pole with a movable marker, held upright and used with a surveying instrument to measure differences in elevation, skaalaga püstlatt liikuva markeriga, mis on kasutusel mõõdistusvahendina kõrguse erinevuste mõõtmiseks, straight bar with a scale on a flat face, sirge latt, mille skaala on tasasel pinnal
