Important Modern & Vintage Timepieces
Monaco, Jan 19, 2023
LOT OF MANUSCRIPTS, LETTERS AND ARCHIVES
EUR 2,000 - 4,000
USD 2,200 - 4,300 / HKD 16,800 - 33,500 / CHF 2,000 - 4,000
Sold: EUR 2,600
Patent of the "cadran tournant" invented by George Brown, registered in 1926, one year before George Brown took over Breguet, after his father.
Autograph manuscript describing "L'échappement à force constante". Breguet registered this patent, on March 9, 1798. This is the first patent pending registered by Breguet for which he would win a Gold medal at the Exhibition of the industry later the same year.
Lot of archives about the history of horology with :
- Reports about the Exhibition of industry of 1823 highlighting the role of France, and especially Paris, in the world of horology and presenting an astronomic clock made by Perrelet.
- Letters from Leroy, Charles Sandoz and to George Brown.
- Newspaper extracts dealing with the history of Breguet and horology such as : Science populaire du 20 juillet 1882, Le monde illustré, Revue économique franco-suisse (juillet 1965), Maison française (décembre 1957), La nature (1879), La science pittoresque (31 décembre 1863).