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A VERY FINE AND EXCEPTIONALLY RARE LATE 19TH CENTURY SILVER HUMPBACK ASTRONOMIC CARRIAGE CLOCK TIMEPIECE WITH MOONPHASE, RUNNING SECONDS AND ANNUAL CALENDAR. IN THE ORIGINAL GILT-TOOLED GREEN LEATHER PRESENTATION CASE AND WITH SILVER DOUBLE-ENDED SAFETY KEY. Jump, London. The case by Anthony Charles Jones, London, 1888. image 1
A VERY FINE AND EXCEPTIONALLY RARE LATE 19TH CENTURY SILVER HUMPBACK ASTRONOMIC CARRIAGE CLOCK TIMEPIECE WITH MOONPHASE, RUNNING SECONDS AND ANNUAL CALENDAR. IN THE ORIGINAL GILT-TOOLED GREEN LEATHER PRESENTATION CASE AND WITH SILVER DOUBLE-ENDED SAFETY KEY. Jump, London. The case by Anthony Charles Jones, London, 1888. image 2
A VERY FINE AND EXCEPTIONALLY RARE LATE 19TH CENTURY SILVER HUMPBACK ASTRONOMIC CARRIAGE CLOCK TIMEPIECE WITH MOONPHASE, RUNNING SECONDS AND ANNUAL CALENDAR. IN THE ORIGINAL GILT-TOOLED GREEN LEATHER PRESENTATION CASE AND WITH SILVER DOUBLE-ENDED SAFETY KEY. Jump, London. The case by Anthony Charles Jones, London, 1888. image 3
Lot 112

A VERY FINE AND EXCEPTIONALLY RARE LATE 19TH CENTURY SILVER HUMPBACK ASTRONOMIC CARRIAGE CLOCK TIMEPIECE WITH MOONPHASE, RUNNING SECONDS AND ANNUAL CALENDAR. IN THE ORIGINAL GILT-TOOLED GREEN LEATHER PRESENTATION CASE AND WITH SILVER DOUBLE-ENDED SAFETY KEY.
Jump, London. The case by Anthony Charles Jones, London, 1888.

11 December 2019, 14:00 GMT
London, New Bond Street

£70,000 - £100,000

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A VERY FINE AND EXCEPTIONALLY RARE LATE 19TH CENTURY SILVER HUMPBACK ASTRONOMIC CARRIAGE CLOCK TIMEPIECE WITH MOONPHASE, RUNNING SECONDS AND ANNUAL CALENDAR. IN THE ORIGINAL GILT-TOOLED GREEN LEATHER PRESENTATION CASE AND WITH SILVER DOUBLE-ENDED SAFETY KEY.

Jump, London. The case by Anthony Charles Jones, London, 1888.
The case:
Hump-backed with plain moulded edges and raised on button feet, the rear right hand foot with an inset secret latch to open the sprung and shuttered rear door, set to the top with a four-strand belcher-link chain handle between two loops. The silver hallmark is that of Anthony Charles Jones. He registered his mark at Goldsmiths Hall on 21st March 1887 and specialised in 'smallwork'.

The dial:
the arched dial with a finely engine turned gilt mask set with three silver dials, all with engine turned gilt bezels. The main dial with gold moon hands reading against a dotted outer minute track and elegant Roman numerals contained within engraved line borders, with a recessed subsidiary Arabic seconds dial below XII with blued steel hand, further set to the centre with a moonphase aperture recessed between VII and V with outer Arabic scale giving the age of the moon 1-29.5 as it traverses the blued night sky. The smaller dials giving day of the week (in English) and the date of the month flanking the gold signature plaque signed Jump, London. The time set and the movement wound through the shuttered rear door, the calendar set on the backplate.

The movement:
the arched plates united by five turned pillars, the chain fusee with Harrison's maintaining power and with wheels of five crossings throughout, the train terminating in a large gilt platform with jewelled arbors in double screwed chatons, the cut and compensated bimetallic balance with gold timing screws and a Breguet style overcoiled blued steel balance spring to an English type lever escapement. The backplate repeat signed 'Jump'.

The presentation case:
the original green leather case with gilt tooled borders in a Greek key pattern, surmounted by a gilt loop handle and shield shaped gilt brass clasp set between the top two halves, the protective front panel sliding upwards to reveal the arched dial, each side hinged in the centre to allow the upper portions to fold back on themselves to display the polished silver case and offer access to lift the clock via its silver chain handle from its salmon pink padded chamois leather interior. The interior base of the case with a shaped recessed section specifically for the silver double ended winding- and hand-setting key with central safety ratchet.










15.5cms (6ins) high. (2)

Footnotes

The first silver hump backed clocks were made by Breguet in the early 19th century - see Daniels, G. (1975) The Art of Breguet, London: Sotheby Parke Bernet. Later examples are illustrated in Good, R. (1996) Victorian clocks, item 12 hallmarked 1889 and Allix and Bonnert (1974) Carriage Clocks, plate IX/76 hallmarked 1901.

The latter source quotes a most interesting letter from Mr A H Jump, the grandson of Richard Jump

"The first of these clocks was made for Lord Ashburton of the Victorian period before I was in the business. It cost the firm a load of money in time and trouble, for so many men had to make so many parts (the man that made the hands couldn't do anything else etc. etc.) My father presented the bill to Lord A with trembling hands and apologised for the high charge. Lord A took the bill and wrote out a cheque at once for double the amount charged on the bill!!! and expressed his appreciation."

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