Pocket, diptych sun-dial of fruit wood with compass and engraved, polychrome indications on paper. Reverse with city latitudes.

Signed L.M. Domer.

Germany, late 18th Century.

(Missing the string of gnomon).

Length: 7,5 cm (3 in.) - Width: 4,6 cm (1-3/4 in.).

Provenance :