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© 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), enamel, glass, gold plated (gilded), iron, silver (metal) and steel (metal)
- type:
- pocket watch
- taxonomy:
-
- measuring devices
- measuring devices
- measuring devices
- measuring devices
- timepieces
- watches
- credit:
- Sotheby & Co.
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