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Silver case English humpback carriage clock by Jump of London - Details:

English carriage clock by Jump of London circa 1888. This silver “humpback” carriage clock by Jump, London, was sold to Lord Althorp, with London hallmarks for 1888-89.

A very rare astronomical timepiece with days of the week, date and phases and age of the moon is in it’s original fitted traveling case with original silver ratchet key. Some of the features of this extremely well built clock are:

Four silver bun feet, one with a secret pin that unlocks the back door; a silver chain handle; silver engine-turned dial with radial Roman numerals, outer minute dot divisions on a polished chapter ring, moon-phase aperture at 6 o’clock, small subsidiary seconds below 12 o’clock; subsidiary dials for days of the week; gold Breguet hands.

The movement is humpback shaped with brass plates, turned pillars, reversed fusee with chain and maintaining power, horizontal gilt platform with lateral calibrated lever escapement, cut bimetallic compensation balance with Breguet balance spring.

The clock is signed on a small gold plaque fixed to the dial plate and the travel case, with Dessoutter’s label, signed Lord Althorp.

Dimensions: 160 x 115 x 75 mm.


Click images below to view large detailed photographs of this humpback carriage clock.

Jump was founded in 1854 by the brothers Richard Thomas and Joseph Jump who had both been apprenticed to and worked for B.L. Vulliamy. A Bond Street, through several generations, the firm made a wide variety of clocks, many of them in the style of Breguet. From at least 1883, they made a number of “humpback” bracket clocks similar to those of Breguet, and were also responsible for the overhauling and recasing of the astronomical clock by Samuel Watson in the Royal collections. Silver “humpback” carriage clocks were introduced by Breguet circa 1813.

During Breguet’s lifetime only a few were made; they are among the best – and the most expensive - he ever produced. The humpback model has been very popular, its shape being used not only by the house of Breguet but by others such as Cole and Jump in England, for instance, for two hundred years after its creation.

Toward the end of the 19th century in England, James Jump made a few silver carriage clocks in the “humpback” style. Today they are among the most sought-after by collectors, along with those made by Breguet. James Fergusson Cole also made a few. The clocks made by both Jump and Cole are very rare and on a par with those produced by Breguet.


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