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Description: | Marine chronometer numbered 4070, by Victor Kullberg. A two-day full-plate movement with reverse fusee, and four pillars, all fixed with blued steel screws. Engraved with the broad arrow mark and the number 4070. The fusee, with stop-work and Harrison's maintaining power, has a pipe round the winding square. Earnshaw-type spring-detent escapement. Compensation balance with helical balance spring. Mounted in three-tier box, push-catch for lid and lock for upper half. Upper half has a strut limiting opening to 90 degrees. On the front of the upper half is screwed an ivory rectangular tablet inscribed 'V. Kullberg Two Days 4070' and the broad arrow mark. The box fittings are standard, with flush handles on the sides, brass gimbals and a ratchet winding key inscribed "4070". The push-catch and lock are surrounded by shaped brass inserts. The underside of the box is covered with green baize. The top of the lid has let in a shield-shaped plain brass insert, while the underside of the lid is covered in a crumpled purple velvet fabric
Silvered brass dial with Roman numerals and a large seconds dial having Arabic ten-second figures. The dial is inscribed in the centre 'Victor Kullberg, Maker to the Admiralty, The Indian & Italian Governments, 105 Liverpool Rd London, N.'; in the seconds dial, '4070 / Seven Gold Medals Awarded / Diploma of Honor, Sole & Highest Award, Vienna'; to left of the up-and-down dial, 'To H. M. The King Sweden And Norway'; to right of the up-and-down dial, 'Prize Medal Awar / 1860 / 1862 / 1864'. The up-and-down dial, below XII, is
marked in Arabic numerals in 8-hour intervals up to 56 and is marked 'UP' above 0 and 'DOWN' above 56, with 'WIND' above 24. The chronometer is in good condition.
This chronometer was used on HMS Active at the Battle of Jutland in 1916. Coordinating big fleets requires highly accurate navigation and timekeeping. The Battle of Jutland was the only major fleet battle of the First World War.
Inscription. AQN: MOD Herstmonceux (lender).
caption: Kullberg Marine Chronometer - 3/4 View
caption: Kullberg Marine Chronometer - 3/4 View 2nd Lid
caption: Kullberg Marine Chronometer - Detail of Movement
caption: Marine chronometer - movement
caption: Marine chronometer - in box | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Subjects: | Marine chronometer chronometers | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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