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.
Inscription/Sig.
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