Antique thermometer. Pretty thermometer representing a round medallion in the middle of acanthus leaves. Inscriptions in the medallion: CM - Guaranteed Accuracy. The glass is curved. At the back, a hole to hang it on the wall. Good condition, without defect. Dimensions: 25.5 cm by 8 cm. Diameter of the medallion: 4 cm. Very beautiful object to collect or to offer.