"Barometer - Thermometer 18 Eme Siècle."
Barometer - 18th century thermometer, Louis XVI from the “Audevard” house in Paris, in carved wood gilded with gold leaf, thermometer on its upper part with alcohol with its oculus for reading and mercury for the barometer , mechanism for the latter by pulley which allowed the cursor to move. 
Le Magazine de PROANTIC
TRÉSORS Magazine
Rivista Artiquariato