An important English astronomical skeleton timepiece with mean solar and sidereal time James Shearer London The movement frame secured at the angles by four columns with ball finials, radially pierced sides, the movement within three transverse brass shaped plates secured with plain pinned pillars, the mean and sidereal trains having individual chain fusees and spring barrels and five wheels with six delicate crossings, the detached escapement with coaxial deadbeat 'scape wheels with steel pallets pivoting on a radially pierced brass platform mounted beneath the movement and regulated by an elaborate mercury-filled glass tube balance with a steel crossbar with timing weights, the blued steel balance spring with adjustment knob on the brass lower potance mounted at the back with a blued steel balance arrest spring operated by a lever in the front of the plinth, the silvered dials with mean time indicated on the left with upper twice-XII hour ring flanked below by seconds and minute rings and a silvered plaque engraved Mean Solar TIME , the sidereal dials with a silvered hour ring engraved with the Roman hours I to XXIV and the silvered sidereal plaque engraved Sidereal TIME +0.157s. daily , the central signature plaque engraved James Shearer Devonshire St. Queen Sqr. LONDON , the 'centre wheels' of each train extending out to the back of the plates to indirectly drive: - The two 6-inch globes signed on the terrestrial globe CARY'S NEW SIX INCH TERRESTRIAL GLOBE, DRAWN from the latest AUTHORITIES, London, published by G & J Cary, January 1836 , the top of the globe mounted with a small carriage holding five wheels with worm drive to a silvered ring engraved with the moon's age (1-29½) and driving the encircling gilt lunar disc engraved with a moon's crescent face:- The celestial globe signed NEW CELESTIAL GLOBE PUBD. BY G & J CARY JANY. 1ST. 1822 and mounted atop with a worm-and-wheel carriage turning the gilt engraved sun disc:- The silvered year calendar ring mounted horizontally beneath the two globes and centered by a magnetic compass; the whole resting on a mirrored base and a further rectangular mahogany plinth with bronze foliate scrolling feet and encased within a gilt-brass-framed glazed canopy with sturdy handles to the sides. 22in. (56cm.) high, 23in. (58.5cm.) wide, 14½in. (37cm.) deep
An important English astronomical skeleton timepiece with mean solar and sidereal time James Shearer London The movement frame secured at the angles by four columns with ball finials, radially pierced sides, the movement within three transverse brass shaped plates secured with plain pinned pillars, the mean and sidereal trains having individual chain fusees and spring barrels and five wheels with six delicate crossings, the detached escapement with coaxial deadbeat 'scape wheels with steel pallets pivoting on a radially pierced brass platform mounted beneath the movement and regulated by an elaborate mercury-filled glass tube balance with a steel crossbar with timing weights, the blued steel balance spring with adjustment knob on the brass lower potance mounted at the back with a blued steel balance arrest spring operated by a lever in the front of the plinth, the silvered dials with mean time indicated on the left with upper twice-XII hour ring flanked below by seconds and minute rings and a silvered plaque engraved Mean Solar TIME , the sidereal dials with a silvered hour ring engraved with the Roman hours I to XXIV and the silvered sidereal plaque engraved Sidereal TIME +0.157s. daily , the central signature plaque engraved James Shearer Devonshire St. Queen Sqr. LONDON , the 'centre wheels' of each train extending out to the back of the plates to indirectly drive: - The two 6-inch globes signed on the terrestrial globe CARY'S NEW SIX INCH TERRESTRIAL GLOBE, DRAWN from the latest AUTHORITIES, London, published by G & J Cary, January 1836 , the top of the globe mounted with a small carriage holding five wheels with worm drive to a silvered ring engraved with the moon's age (1-29½) and driving the encircling gilt lunar disc engraved with a moon's crescent face:- The celestial globe signed NEW CELESTIAL GLOBE PUBD. BY G & J CARY JANY. 1ST. 1822 and mounted atop with a worm-and-wheel carriage turning the gilt engraved sun disc:- The silvered year calendar ring mounted horizontally beneath the two globes and centered by a magnetic compass; the whole resting on a mirrored base and a further rectangular mahogany plinth with bronze foliate scrolling feet and encased within a gilt-brass-framed glazed canopy with sturdy handles to the sides. 22in. (56cm.) high, 23in. (58.5cm.) wide, 14½in. (37cm.) deep
.jpg "Source: Christie's")
Try LotSearch and its premium features for 7 days - without any costs!
Be notified automatically about new items in upcoming auctions.
Create an alert
.jpg "Source: Christie's")
.jpg "Source: Christie's")
