Bimetallic Dial Thermometer and Watch, 1820
- maker:
- Breguet et Fils
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BuyLicense this image for commercial use at Science and Society Picture Library
LicenseSMG00049369
Science Museum Group
© The Board of Trustees of the Science Museum
Combined thermometer and watch in engraved silver case
Science Museum Group
© The Board of Trustees of the Science Museum
Combined thermometer and watch in engraved silver case. The bimetallic thermometer is made by Breguet et Fils (and Sons) and has concentric Fahrenheit (-30 to +140°) and Reaumer ( -25 to +50°) scales. Watch with fusee and verge escapement; balance spring missing, 1820.
Details
- Category:
- Heat
- Object Number:
- 1964-441
- Materials:
- brass (copper, zinc alloy), silver (metal), gold plated (gilded), steel (metal), iron, glass and enamel
- Measurements:
-
overall: 21 mm x 64 mm x 75 mm, , .13kg
- credit:
- Sotheby & Co.
