The Scott-Cumberland Tompion
Case: Purpose-made, ebony veneer on oak, a counterpart to the Mostyn Tompion, of two tier form, modeled on the Spanish royal Graham no. 521, mounted in parcel-gilt silver, with figure finials over twin friezes over Tuscan angle columns to the upper case tier with cast and chased decorative foot with angle volutes, floral swags and centred by Apollo masks; ebony veneered, moulded turntable base.
Dial: Purpose-made 7.5 by 9 inch (visivble) rectangulat, 24-hour gilt dial signed for Tho~Thompion & Edw. Banger London on a silver cartouche to the matted centre and weekday cum planet sectors above centre, the fixed inner twice-XII/60 Mean time chapter ring inscribed Tempus Apparens, the upper subsdiaries for Sil1/6, Son1/6 strike selection and pendulum regulation, flanking a triple calender sector for the year and bissextile cycle the Zodiac, and Julian/Gregorian perpetural calender marked SV and NV (for Old and New Style), silver double-screwed spandrels, the hour and counterpoised minute hands of blued-steel.
Duration: 13 Month.
Movement: Multi-layered, of great complexity and unique specification giving year-going, hour and quarter strike, mean and solar time equation against the hands of the dial and true perpetual calender with month, weekday and date; of massive construction, the inverted-T-shaped plates, 11 inches wide by 13 inches tall, with seven typical finned-baluster pillars, the lower five massive, the upper two more slender, all seven by screwed cup-washers, the lower plate crosspiece with triple fusee with triple massive barrels, fusees and great-wheels, the upper parts of all three trains contained within their own subsidiary, three pillared, plate-assemblies in the vertical part of the main plate frame, the upper wheelwork of very fine gauge, hour striking and quarter striking, with verge escapement and lenticular bob to spring-suspended pendulum with rise-and-fall regulation, a fourth subsidiary calender train mounted top left with its own subsidiary plate-frame with resting barrel, trip-driving the annual calender wheel (with unique retractable tooth for true registration of the bissextile), associated equation kidney and 16-year bissextile-wheel assembly in ray-shaped plate extensions with two knopped pillars, in turn driving the right-angle equation rack engaging with the Solar time motion work driving the oscilliating minute ring on a three-arm carriage, the lower crosspiece of the movement bearing the original fire-gilt falseplate, exquisitly engraved with two pairs of addorsed caryatid demi-figures within scrolling foliage, strapwork and trailing husks, having a (restored) central oval reserve signed Tho~Thompion & Edw. Banger, London, relieved along its upper edge for the outer winding squares.
Escapement: Pivoted verge with rise-and-fall regulation to spring-suspended pendulum.
Strike Type: Hour and quarter rack striking.
Provenance: Probably commissioned by Prince George of Denmark, husband of Queen Anne. Case probably presented to Spanish royal family by George I, circa 1715. Possibly by descent in the royal family, altered, converted to arched dial and recased in mid-Georgian period (frontplate scratch marked Bullock, 1743). Possibly worked on by Vulliamy for the Prince Regent in 1810. The Marquesses of Exeter, Burghley House, by c.1817. Removed from Burghley case by Payne, c. 1860s. Rediscovered in Lymington, Hampshire, mid-1970s, by whom sold. c. 1980. Private collection, USA, c.1980-2004. Case and dial purpose-made for the Scott collection, 2012-4.