Body, rete, cast rim mater, alidade, ring, swivel-bail, and boet. Tympan and rules added later. 33 star markers indicated by astrological symbols. Throne decorated with rosettes, a Hartmann trademark. Shadow square divided into 12 parts. Rete atypical. Latin months. Labeled in Latin.
Materiaal
"GEORGIUS HARTMAN NOREMBERGE FACIEBAT ANNO: M.D.XL" under square on back.
