"03473078-n"^^ . "a compass that does not depend on magnetism but uses a gyroscope instead"@en-us . "gyrocompass"^^ . "0"^^ . . . . . "103345654"@en-us . "103473078"^^ . . . . "a compass that does not depend on magnetism but uses a gyroscope instead"@en-us . . "0.375"^^ . "gyrocompass"@en-us .