The pelorus used for coastal navigation, astronomical bearings, for taking the compass azimuth and for compass deviation control. The gimbal suspension consists of the gimbal ring weight and arrest. With this pelorus relative bearings (measured against ship´s ahead) and compass bearings (measured against compass heading) can be carried out. Included in the range of delivery are two deck shoes, one separate and one fixed at the wooden box for a safe storage, and a shadow pin.