Horizontal double sundial of silvered brass, engraved to show time (edge of gnomon) and date (notch in gnomon). Hours marked in Roman numerals with fleurs-de-lis at the half hours. A separate (dotted) hour scale from 3 to 13 shows the hours elapsed from sunrise. Gnomon for 50° latitude. With Engelbrecht trade booklet dated 1776.
Materiale
K.v.N. (owner's initials?) etched into the West side of the gnomon, and also embossed in gold on the leather case. Fecit Ioan Engelbrecht Beraune in Bohemia 1796/ (on Gnomon) Numen : Horrar: ah ortu Solis. / Eleva: Poli