08-23-200808-23-2008
Skinner Auctions
Skinner AuctionsBolton MA
2419
August 23, 2008 10:00 AMCalender
713

J. J. LePaute Nine-Month Duration Regulator

Sell one like this
 
Auction: Clocks, Watches & Scientific Instruments - 2419Location: BoltonDate / Time: August 23, 2008 10:00AM

Description:

J. J. LePaute Nine-Month Duration Regulator, Paris, c. 1815, the figured mahogany case with full-length glazed door, 8 3/4-inch silvered dial with Roman numerals, brass maker's plate engraved J.J. LePaute, equation of time indication with a blued-steel hand and sunburst at the end against a brass calibrated sector engraved at the extremes R and A, gilt hour and minute hands, blued steel center seconds hand all enclosed within a cast brass and fire-gilt bezel, a geared calendar mechanism mounted below with silvered calibration ring and crossings and a blued steel pointer, nine-month duration, five-train movement, dead-beat escapement with steel pallets, maintaining power, geared calendar and equation of time cam, winding chain connecting the movement with the winding mechanism and wooden drums enclosed within the cornice where a small bell sounds at the completion of winding, the iron weight is directed to fall outside of the backboard, nine rod, bi-metallic, temperature compensating pendulum and silvered indication plate engraved Dilation and Condensation, ht. 85 3/4 in.

Note: For a detailed technical description of this clock see National Association of Watch and Clock Collectors Bulletin, February 1995, "Merci, Monsieur Lepaute," by Peter Recourt.
Estimate $80,000-120,000

Lower section of case probably restored. Winding bell and lever mounted in cornice is restored, dial reslivered, gilding cleaned.

NAWCC Bulletin, February 1995, page 19, Peter Recourt describes the wheel count which calculates to a duration of 256 days. The past owner wound the clock on the 4th of July and Christmas.

Keywords

Paris, brass maker, blued-steel hand, blued steel pointer, steel center seconds, steel pallets, Peter Recourt, Condensation, National Association of Watch and Clock Collectors Bulletin, 4th of July