trademark
— used for an airplane compass that is horizontally stabilized by a gyroscope and that determines directions by means of a flux gate which responds to the earth's magnetic field
trademark
— used for an airplane compass that is horizontally stabilized by a gyroscope and that determines directions by means of a flux gate which responds to the earth's magnetic field
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012