ranging pole(n = noun.artifact) flagpole, range pole - surveying instrument consisting of a straight rod painted in bands of alternate red and white each one foot wide; used for sightings by surveyors;
is a kind of surveying instrument, surveyor's instrument

barber pole, barber's pole, barbers pole, barge pole, bean pole, celestial pole, fishing pole, hop pole, magnetic pole, negative magnetic pole, negative pole, north celestial pole, north pole, north-seeking pole, pole, pole bean, pole horse, pole jump, pole jumper, pole jumping, pole position, pole star, pole vault, pole vaulter, pole vaulting, positive magnetic pole, positive pole, radio detection and ranging, range pole, ranging, ski pole, sound ranging, south celestial pole, south pole, south-seeking pole, telegraph pole, telephone pole, totem pole