Rectangular dial for latitude 50° 30' with folding gnomon. Hour plate on 3 leveling screws. Roman numerals on hour scale every 1/4 hour. Four rose points. Arrow-shaped needle, type 1. Probably for personal use.
Inscription/Sig.
"Fecit: J: Depetris: S:J" on underside of base. "1753" on hour. Gnomon labelled "gra: 50 : m: 30". "IIII" on base of gnomon.