6,900 CHF
Fred. Houriet, Locle, Swiss, circa 1800. Fine early silver pocket thermometer. Double-body, “Empire”, polished with reeded band, the back centered with an engraved sunburst. White enamel with graduations for Réaumur degrees. Gilt brass with bimetallic curb, rack-and-pinion.Signed on the dial.Diam. 64 mm. Notes First made by Frederic Houriet, this type of pocket thermometer was later produced by Urban Jürgensen and by Breguet. It was first described by Houriet himself in an advertising leaflet, each copy of which he signed..This type of bimetallic thermometer is illustrated by Urban Jürgensen in his “Principes Généraux de l'Exacte Mesure du Temps par les Horloges”, 1805, pl. XIX.
Auctioneer:
Antiquorum
Date:
2003-10-11