Octagonal. Hour scales for 40° and 49° in Roman numerals; scales for 45° and 52° in Arabic. Rose with French initials; fleurs-de-lis at North. Blued needle, type 10. Compass rose has arrow for magnetic deviation (15°W), and is graduated 30° SE-0-30°SW and 30°NW-0-30° NE. Broken screw head on back of spring for gnomon.