Lot Essay
Abraham-Louis Perrelet, 1729-1826
ABRAHAM-LOUIS PERRELET DUBUISSON; CIRCA 1800
Details
An Empire mahogany month-going longcase regulator with equation of time
Abraham-Louis Perrelet Dubuisson; circa 1800
The case with stepped dentil top, glazed sides, raised rectangular panels to the plinth, the rear with three doors giving easy access to the falling weight, spring-loaded pin-hole catch to the trunk door with convex glazed ormolu bezel to the white enamel Roman dial signed Perrelet, pierced ormolu hour hand, blued steel arrow mean time minute hand, ormolu arrow equation hand, counterpoised sweep centre seconds and further blued steel hand for the concentric year calendar, the dial signed by its maker Dubisson below VI, the movement with rectangular plates with four back-pinned pillars, single train with going barrel having the drive pulley mounted within the case pediment and a lead weight on brass runners sliding down the inside of the backboard, the back-plate engraved Perrelet à Paris, the winding facilitated by means of a pulley wound between the dial and movement front-plate, deadbeat escapement with high quality massive grid-iron pendulum steel supended from the brass backboard bracket and with white enamel temperature scale with blued steel pointer
6 ft. 10 in. (209 cm.) high
Abraham-Louis Perrelet Dubuisson; circa 1800
The case with stepped dentil top, glazed sides, raised rectangular panels to the plinth, the rear with three doors giving easy access to the falling weight, spring-loaded pin-hole catch to the trunk door with convex glazed ormolu bezel to the white enamel Roman dial signed Perrelet, pierced ormolu hour hand, blued steel arrow mean time minute hand, ormolu arrow equation hand, counterpoised sweep centre seconds and further blued steel hand for the concentric year calendar, the dial signed by its maker Dubisson below VI, the movement with rectangular plates with four back-pinned pillars, single train with going barrel having the drive pulley mounted within the case pediment and a lead weight on brass runners sliding down the inside of the backboard, the back-plate engraved Perrelet à Paris, the winding facilitated by means of a pulley wound between the dial and movement front-plate, deadbeat escapement with high quality massive grid-iron pendulum steel supended from the brass backboard bracket and with white enamel temperature scale with blued steel pointer
6 ft. 10 in. (209 cm.) high