The Banker's Tompion
Case: Ebonised fruitwood on oak with concave throat mouldings, hood with inverted-bell top and three ball finials, pierced ebony frets below, brass-capped Doric columns, trunk door numbered 533 on leading edge, simple skirted plinth.
Dial: 11 inch square gilt-brass latched dial signed Tho: Tompion London on a silvered oval plaque in the matted centre, seconds ring and pin-hole adjusted date aperture, silvered chapter-ring, lozenge half-hour and half-quarter marks and blued-steel hands; Indian-mask-and-scroll spandrels with foliate and strap engraving (G. 515) between; bolt-and-shutter lever between chapter II and III.
Duration: 8 days.
Movement: 6 by 7.5 inch plates with six latched baluster pillars, going train with anchor escapement, bolt-and-shutter-maintaining power, brass-rod pendulum with calibrated rating nut, rack strike, base of backplate punch-numbered 533.
Strike Type: Internal rack strike.
Provenance: By repute, HE Gurney, director of Overend, Gurney & Co, bankers, which suffered a notorious run and collapsed in 1866.
F H Green, Royal Exchange, London.
18th Viscount Hereford, sold Sotheby's, London, 3rd October, 1991, lot 268.
Literature: FH Green, Old English Clocks, 1931, p. 38 & 42, pl. XXIII.
Part of The Tom Scott Collection.