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        A vernis Martin wood barometer - thermometer in Louis XV style decorated with  flowers on green base, surrounded by gilt bronze decorated with flowers. The whte enamelled cartridges of the barometer are signed "E.D. Glaizes/ Rue de Rivoli 240/ Paris". 
France.
19th century.
After Torricelli (1608 - 1647) and Réaumur (1683 - 1757).