"cadran solaire de voyage 18ème Menant à Paris"
Travel sundial with 4 time scales: 40, 45, 49 and 52 degrees alternated in Arabic and Roman. The back of the plate specifies the latitudes of 19 European cities. Bird-shaped gnomon, adjustable from 40 to 60 degrees. Compass with 8 directions. Good condition, compass glass needs cleaning. 
Le Magazine de PROANTIC
TRÉSORS Magazine
Rivista Artiquariato