Quadrant with original carrying case
Most examples of the popular Gunter horary quadrant were small, portable devices. The three holes on the face of this large instrument suggest that it could be mounted on a stand, as well as handheld.
Most examples of the popular Gunter horary quadrant were small, portable devices. The three holes on the face of this large instrument suggest that it could be mounted on a stand, as well as handheld.