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Auktionen Dr. Crott 91st Auction

577 Pennington, Pendleton and others for the Son of the Inventor 1796 / Thomas Mudge, London, Movement No. 24, 124 x 60 mm, circa 1796  A one day ship’s chronometer of museum quality, built according to the designs of Thomas Mudge Case: brass, glazed on all sides, moulded pillars, convex glazed. Dial: applied enamel dials with gilt frames on gilt ground plate, very fine applied foliate scrolls, radial Roman hours and minutes, blued Poker & Beetle hands. Movm.: brass, signed, moulded pillars, chain/fusee fitted with Harrison’s maintaining power, finely polished 6-spoked wheels, Thomas Mudge’s remontoire escapement after drafts by Johan Jakob Huber, 15-toothed escapement wheel, large polished three-arm brass balance, steel balance staff mounted between four steel rollers to reduce friction, open work geometric balance bridge, temperature compensation of the lower blued balance spring by way of two straight bimetallic segments on slides with adjustment screws on each side, fine adjustment of the upper blued balance spring by means of a square and an index screw using a slide and lever system, engraved scale with regulator hand. Thomas Mudge (1715-94) The first timekeeper Thomas Mudge designed with a constant force escapement was built in 1774 and intended as a competitor for the longitude prize of 20,000 pounds the British Parliament was offering. Mudge later produced another two models of the same type but none of his chronometers were recognized and rewarded; Mudge died an embittered man. About year before his death his son had formed a partnership with William Howells and Robert Pennington; his plan was to build timekeepers according to his father’s specifications in a factory. Mudge the Elder was supervising the production of the chronometers