
Property from the Masterworks of Time Collection
No. 643 A fine and large silver skeletonised manual pocket annual calendar with equation of time indicadtion and Réaumur thermometer Circa 1820
No reserve
Lot Closed
February 10, 03:44 PM GMT
Estimate
800 - 1,200 GBP
Lot Details
Description
Property from the Masterworks of Time Collection
French
No. 643
A fine and large silver skeletonised manual pocket annual calendar with equation of time indicadtion and Réaumur thermometer
Circa 1820
• Movement: gilded skeletonised, central annular wheel driven by worm gear connected to pendant's crown, blued steel equation cam moving spring-loaded rack connected to equation wheel
• Dial: silvered chapter ring, the edge calibrated with annual calendar indicated via long blued steel moon hand, upper half of inner edge with sector for equation of time indicated via blued steel hand with golden sun tip, subsidiary dial for Réaumur thermometer
• Case: silver, engine-turned back, stepped gold bezels, milled band, pendant with knurled crown for setting date, case with maker's mark FV beneath a wheel for François-Jean Veyrat, case back and pendant with French control marks
diameter 65mm