Archive of Sold Items

Silver and Tortoiseshell calendar Verge Alarm

A late 17th Century English single handed alarm with calendar in fine silver and tortoiseshell pair cases.  Deep full plate fire gilt movement with four tulip pillars and one engraved pillar.  Fusee and chain with worm and wheel barrel setup between the plates.  Small offset going train with gilt wheels, the hand driven by a small pinion on the fusee arbor.  Plain steel balance.  Pierced and engraved bridge cock, pierced and engraved plate for the silver regulator disc.  Blue steel stopwork for the alarm train, blue steel mainspring visible through the pierced and engraved resting barrel.  Steel two headed alarm hammer striking on a bell in the case, steel contrate and crown wheel.  Silver champleve dial with Roman numerals the hour indicated by a small blue steel marker on the central alarm disc.  The alarm time set by the small double ended blue steel hand.  Date calendar marked in Arabic numerals on a gilt ring bordering the dial indicated by a small pin which moves continuously.  Pierced and engraved silver inner case, split bezel, silver pendant and ring bow, circular silver shutters to the winding apertures.  Fine outer case with silver bezels covered in tortoiseshell.  Geometric silver pique pins in the centre of the back surrounded by a band of fine pique pins set in semi-circles encompassing silver rings to allow the bell to sound clearly.

In fine overall condition.  It is unusual to find calendar indications on alarm watches of this period.  Claude Viet, free of the Clockmakers Company 1698.  Watchmaker to the Queen – died 1734.
Date :  Circa   1695
£14,500.00

Two Day Marine Chronometer by Kullberg

An early 20th Century English two day marine chronometer by Kullberg in a mahogany box.  Full plate spotted keywind reverse fusee movement, four turned pillars secured by blue steel screws.  Harrison's maintaining power with steel click and blue steel spring. Polished steel barrel ratchet wheel and double toothed click on the spotted barrel bridge.  Spotted cock with diamond endstone.  Auxiliary compensation to the two arm compensation balance with two circular weights, small timing screws and large timing nuts, freesprung invar helical hairspring.  Earnshaw spring detent escapement, escape pivots with endstones.  The movement secured to the gilt dial plate by three blue steel screws.  Engraved signed and numbered silvered brass dial with broad ministry arrow above “I”, details of medals awarded and countries supplied.  Subsidiaries for seconds and power reserve indication, Roman numerals, blue steel hands.  Turned brass bowl, rotating shutter to the winding hole, screw brass bezel with flat glass.  Brass gimbals and locking mechanism, brass ratchet key.  Three tier mahogany box, hinged flush brass handles replaced, top lid.  Signed, numbered and dated rectangular bone plaque.

Ordered by the Indian Government and supplied in 1910 this chronometer is fitted with Auxiliary compensation to the balance.  Victor Kullberg was born in Sweden in 1824 and moved to London in 1851 where he established a business making fine watches and chronometers. In addition to selling under his own name he also supplied to many English retailers.  He almost always used the fusee in a reverse configuration to reduce friction and wear on the arbors.  He experimented with balances on his chronometers patenting flat rim varieties.  His chronometers won many medals for their timekeeping in the later half of the 19th Century.  The firm continued making chronometers after his death in 1890
Date :  Circa   1910
£5,750.00