GFC 180 Azimuth Circle of Magnetic Compass GFC-180 Azimuth Circle of Magnetic Compass, Azimuth Circle of Compass, is used for CGF-180 reflector magnetic compass and most of the foreign magnetic compasses. 1. Aluminum alloy and diamagnetic brass. 2. High precision. Marine Azimuth circles GFC-180 adopts fixed mode by using positioning centre hole, the diameter of inner hole […]
