124,500 CHF
Timekeeper with 1 ComplicationAntide Janvier au Louvre, Mouvement Périodique, Synodique et Journalier de la lune, No. 349, circa 1802.Very fine, rare and unusual mahogany veneered, one month-going, astronomical lunar mantle clock with 24-hour dial and ten-minute subsidiary minutes dial, spherical model for cycle and age of the moon, and thermometer. Silvered ring with Roman numerals repeated twice forming 24 with Roman chapter, inner 10-minute divisions, subsidiary silvered minutes dial set at the top, small silvered center dial for age of the moon fixed to the gilt brass tapered moon hand which is fitted with a spherical model of the moon making one rotation per lunar month (gearing set behind the hand, driven from the center), mean time indicated by gilt brass hand with star-burst end. Round, brass full plate, cylindrical pillars, ging barrel, anchor escapement, pendulum steel rod and brass bob, silk suspension. Bimetallic thermometer with Réaumur scale in semicircular sector, blued steel "pointer" hand.Signed on dial and movement.Dim. Height 41 cm, width 22 cm. Notes Antide Janvier produced several clocks and regulators indicating the "Mouvement Périodique, Synodique et Journalier de la lune". He explained his reasoning in his book entitled "Recueil de Machines Composées et exécutées par Antide Janvier", 1828, pp. 23-25, pl. IX et X: "Several excellent workmen have often requested that I calculate a gear-train to indicate the raising and setting of the moon; s
Auctioneer:
Antiquorum
Date:
2001-11-11
