Stock No. | Exhibit No.23 |
Dial | The 12½ inch (318 mm) square brass dial, signed Thomas Tompion, Londini Fecit along the lower edge of the dial plate below the silvered chapter ring with Roman hours, sword hilt half hour marks and Arabic minutes. The seconds ring, intersecting at XII, and engraved 6, 12, 18 etc. with every other second divided by an engraved line. Simply shaped but sturdy blued-steel hands and a coarsely matted centre.The dial secured to the frame via four pinned dial feet. |
Movement | The substantial forged iron frame with rectangular-section bars secured by heavy square nuts, a lower section stamped with an L within an oval (for the Leufsta forge, Uppsala, Sweden). The 8 inch diameter wooden grooved barrels and steel arbors mounted within three pairs of vertical bars; the going-train bars extending above the outline of the frame to accommodate the escape wheel arbor and the pendulum suspension point; the strike-train bar forged in the form of a stylised Y to offer a secure point of fixing for the lower left hand dial foot, all wheels of finely finished brass with four crossings. The going train with anchor escapement and a two-part pendulum rod of heavy flat steel measuring 12 feet 10½ inches in length with a heavy horizontal lenticular lead bob, 13½ inches in diameter with a T-shaped threaded bar, the top of the bob with concentric line decoration and marked 1 to 12 for regulation, the strike train with a 9½ inch brass countwheel to the rear with a curved detent, regulated by a ratchet ‘fly’ terminating in a pair of small shape vanes. Together with three pairs of hands and lead-off work and framed motion work, with the original crank winder. |
Duration | 8 days |
Provenance | Probably originally ordered from Tompion by Charles Cornwallis, 3rd Baron Cornwallis of Eye (1655-1698) for Brome Hall, Suffolk; |
Literature | East Anglian Times, September 1953, Nixseaman, ‘Brome Hall Votive Clock |
Escapement | Anchor with 2-second pendulum |
Dimensions | Height 22¼ inches (565 mm), width 277 inches (690 mm), depth 157 inches |
The Cornwallis Tompion. Circa 1687
A unique James II wrought iron and brass 8-day striking turret clock movement by Thomas Tompion, London
From Brome Hall, Suffolk
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Additional information
Dimensions | 5827373 cm |
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