3,680 CHF
Letter to Louis Breguet from M. Schumacher, Altona, 1829, 8 pages. An important account on performance of Breguet’s astronomical clock No. 3405 taken between Oct. 21, 1822 and Nov. 20, 1827. Schumacher bought the clock on June 19, 1820 for 1200 francs. It was an important regulator from a series of three pieces. Schumacher was one of the most important Breguet clock collectors, and bought at least twenty pieces.
Auctioneer:
Antiquorum
Date:
2005-05-15