Thermometer - Brass - Antique Desk Thermometer

Not a watch, but an antique table thermometer.
- The inscription 'THERMOMÈTRE CENTIGRADE' and the scale graduated from -20 to +60 confirm the nature of the instrument.
- The quality of the brass casting and the dial typography are consistent with the production of scientific instruments from the early 20th century, probably of French origin.

Although it is not a timepiece, this instrument shares with watchmaking the use of precision mechanics, typically a bimetallic coil sensitive to thermal variations.
- These thermometers were common desk accessories during the Belle Époque period, often produced by laboratories specialized in barometers and measuring instruments.

## Conclusion
- The object is identified as an authentic early 1900s table thermometer.
- High confidence in its authenticity as an antique piece.

## Condition Assessment
- The general condition is good for an object over a century old.
- The brass patina is original and has not been removed by aggressive polishing, preserving the historical charm of the piece.
- The dial shows spots of oxidation typical of instruments not hermetically sealed.