927,500 CHF
Breguet, Pendule a trois roues, (No. 173), made in 1792, sold to Breguet on 20 March 1793, for 1820 Francs. Presented by Breguet to Laplace who later gave it to Magendie. In 1855, at the death of Magendie, this clock came into the family De Puisaye. Extremely important eight day going weight driven skeleton three-wheel clock with equation of time, Republican and Gregorian calendars and thermometer. Gilt brass frame, the front bar engraved with the days of the week. Revolving silvered brass ring for the 24 hours, with Arabic hours, 10 minute numerals and 2 minute divisions, attached by friction springs to the barrel arbor and making one revolution in 24 hours, mean time indicated by a blued steel pointer, solar time by the gilt sun hand. An applied silvered sector on the front pillar marking the minutes up to 10, with a three-pointed star hand, the silver seconds ring attached to the escape wheel, with blued steel pointer attached to the plate. Gregorian and Republican year calendars engraved on the revolving silvered ring at the base, the equation cam affixed to the back and driven from the hour wheel by a single pin advancing 1 tooth every 24 hours, able to be disengaged to correct for the leap- year. A plumb bob fitted for levelling, the cord doubling as the date indicator. Upper surface of the weights marking the day of the week as they descend. Double weights with single barrel, pin-wheel escapement with halfseconds beating gridiron pendulum, jewelled knifeedge and ne Read more…
Auctioneer:
Antiquorum
Date:
1997-10-18
