An historically important floorstanding regulator Victor Kullberg, London, No.5366

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Lot 63TP
An historically important floorstanding regulator
Victor Kullberg, London, No.5366

Sold for £ 8,812 (US$ 11,351) inc. premium

Fine Clocks

19 Jun 2019, 14:00 BST

London, New Bond Street

An historically important floorstanding regulator
Victor Kullberg, London, No.5366
The 12 inch circular silvered dial boldly signed across the centre VICTOR KULLBERG, LONDON, No. 5366, and further engraved with two medals; to the left 'DIPLOMA OF HONOUR VIENNA 1873/MAKER TO THE ADMIRALTY' and to the right 'DIPLOMA OF HONOUR PARIS 1875/NINE GOLD MEDALS AWARDED FROM 1868 TO 1889' framed by an angled sight ring and outer Arabic minute band, the centre with subsidiary dials for running seconds and hours, with the original blued steel hands, (the minute hand counter-balanced behind the dial), now with three expertly cut apertures, remnants of when the regulator was fitted to send time signals, screwed to the movement by four extremely substantial tapering pillars. Stamped to the lower edge of the frontplate J.M 8070

The movement:
Weight driven and with Harrison's maintaining power, the substantial rectangular plates measuring 177mm wide, 243mm high and 4mm thick, united by five heavy tapering pillars screwed front and back, the four wheel train with wheels of six crossings and high count pinions, the 'scape wheel with triple-screwed collet and jewelled endstop, deadbeat escapement with jewelled pallets on a jewelled arbor, the long steel crutch with micrometer beat adjustment, banking pins and terminating in a shaped brass fork to the zinc and steel pendulum with encased mercury jar cylindrical bob with engraved brass rating nut, driven by a cylindrical brass covered weight on a patinated pulley of six crossings, secured by three heavy brass screws and washers to a very substantial cast and painted iron bracket screwed to the 2.8cms solid backboard (the backboard screwed into the sides of the case by brass screws), the pendulum suspended from a shaped brass support, reading against an engraved silvered brass beat scale.


The case
the sliding hood with locking door and moulded cornice (left hand side throat moulding and cornice lacking, right hand loose) over canted front corners and a circular aperture , the trunk with canted corners flanking the long glazed door (with two locks operated by the same key), and a base with recessed central panel over a moulded apron, the door with inner velvet lining to deter dust. The case retains the brass screw terminals that were used when the clock sent electric signals. 170cms (66 1/2ins) high

Footnotes

  • This regulator is viewable in a private residence in Johannesburg, to arrange a viewing please contact the London Clock Department.


    PLEASE NOTE:
    This lot has not been granted an export licence by SAHRA to remove the item from South Africa.



    The interior with handwritten note giving dates of cleaning including Dec 1 1932; Sept 3 1936; Sept 6 1938; July 28th 1943; Feb 27th 1975 and April 4 2011.


    Kullberg number 5366 was supplied to the Natal Observatory in 1884. It was connected to the Post Office time system and ran the Timeball from there. In 1911 it was transferred to the Union Observatory in Johannesburg where it sat in the library, when the Observatory ceased to operate, the regulator passed to the last professional observer, Dr Bruwer.

Saleroom notices

  • Please note the revised estimate that is now £7,000-10,000
Contacts
An historically important floorstanding regulator Victor Kullberg, London, No.5366
An historically important floorstanding regulator Victor Kullberg, London, No.5366
An historically important floorstanding regulator Victor Kullberg, London, No.5366
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