gyrotheodolite, gyro-azimuth theodolite, north-seeking gyroscope, finding instrument, survey gyroscope, surveying gyro
teodoliit koos põhjaotsiva vurrseadmega kinnitatuna geograafilise põhjasuuna mõõtmiseks, theodolite with a north-seeking gyro attached for the determination of the geographic north direction, instrument composed of a gyroscope mounted to a theodolite, instrument integrated with a theodolite, and can be used to orientate underground base lines relative to true north, teodoliit täpseks orienteerumiseks, ülitäpseks põhja poole püüdlemiseks
