A TRIBUTE TO PRECISION AND COMPLICATE...
Hotel Nogalhilton Geneve, Nov 11, 2001
LOT 307
Lot of 12 Breguet documents
CHF 3,000 - 5,000
USD 1,900 - 3,100
Sold: CHF 57,500
C. Horlogerie, an important document written by Breguet himself (lower edge torn), illustrated on page 138 of Professor Engel's book.Letter to Breguet from his cousin Ch. Frederick Giroud. Promissory note for 600 francs from Piguet Frères to Breguet, dated May 29, 1803, illustrated on page 185 of Professor Engel's book. Letter to Prince Menchikoff, regarding one of his watches, probably No. 5040. Letter to Breguet from his Bordeaux agent Ducom, dated 1827. 7 other letters and documents about friction in escapements and necessity of having the balance amplitude constant. Important letter from Breguet about fake Breguet watches.- Breguet writes, among other things, about compensation balance, mentioning, a long-suspected fact, that he used a special alloy instead of brass.
