.jpg?w=1)
RICHARD STEDMAN, GODALMING. CIRCA 1800
Details
A rare George III mahogany longcase regulator with equation of time, perpetual calendar and Ellicott-type pendulum
Richard Stedman, Godalming. Circa 1800
The breakarch silvered and engraved dial signed Richard Stedman Godalming within a wide diameter concentric ring engraved from outside to the centre; minute dot ring, months and signs of the zodiac, slender blued steel plain hand indicating the calendar, the minute hand with spade terminal and the solar hand with brass sun disc, subsidiary rings in the spandrels; top left - seconds; top right - pendulum regulation; lower left age of moon; lower right hours, the arch set with a terrestrial globe with blue painted sunrise/sunset ring, the substanial movement with thick rectangular brass plates secured by five pillars, single train with Graham-type deadbeat escapement having an Ellicott-type pendulum with glazed portal to the bob showing the cantilevered temperature compensation, the bimetal pendulum rod suspended from a steel bar with cam regulation supported on massive chamfered brackets secured to the backplate, the seconds ring receiving indirect drive from the escape wheel with unusual integral contrate teeth, the hour wheel giving indirect drive to the hour dial and in addition driving a long steel arbor behind the plates terminating in a worm wheel at the top driving a year wheel with two cams one for the equation of time, the other for the sunrise/sunset ring, the worm terminating in a universal couple-link driving the globe within the arch, the case with plinth resting an a double skirt, breakarch trunk door, hood with three-quarter columns and gilt-wood ball finials
6ft. 11in. (211cm.) high
Richard Stedman, Godalming. Circa 1800
The breakarch silvered and engraved dial signed Richard Stedman Godalming within a wide diameter concentric ring engraved from outside to the centre; minute dot ring, months and signs of the zodiac, slender blued steel plain hand indicating the calendar, the minute hand with spade terminal and the solar hand with brass sun disc, subsidiary rings in the spandrels; top left - seconds; top right - pendulum regulation; lower left age of moon; lower right hours, the arch set with a terrestrial globe with blue painted sunrise/sunset ring, the substanial movement with thick rectangular brass plates secured by five pillars, single train with Graham-type deadbeat escapement having an Ellicott-type pendulum with glazed portal to the bob showing the cantilevered temperature compensation, the bimetal pendulum rod suspended from a steel bar with cam regulation supported on massive chamfered brackets secured to the backplate, the seconds ring receiving indirect drive from the escape wheel with unusual integral contrate teeth, the hour wheel giving indirect drive to the hour dial and in addition driving a long steel arbor behind the plates terminating in a worm wheel at the top driving a year wheel with two cams one for the equation of time, the other for the sunrise/sunset ring, the worm terminating in a universal couple-link driving the globe within the arch, the case with plinth resting an a double skirt, breakarch trunk door, hood with three-quarter columns and gilt-wood ball finials
6ft. 11in. (211cm.) high
Literature
Antiquarian Horology, vol. 5, March 1966, p.62
Special notice
No VAT will be charged on the hammer price, but VAT at 17.5% will be added to the buyer's premium, which is invoiced on a VAT inclusive basis.