Beschreibung:

Y A BRASS-BOUND MAHOGANY CASED TWO-DAY MARINE CHRONOMETER THOMAS HEWITT, LONDON, MID 19th CENTURY The four pillar full-plate single chain fusee movement with Harrison's maintaining power, split bimetallic balance with cylindrical compensation weights, helical balance spring and diamond endstone, the backplate signed engraved with M.O.D. broad arrow mark, the 3.75 inch circular silvered Roman numeral dial with blued steel spade hands, subsidiary seconds and power reserve dials, and inscribed Thomas, Hewitt, MAKER TO THE ADMIRALTY, London, No 1366 over additional M.O.D. broad arrow to centre, set in a lacquered brass bowl with screw-down bezel mounted within pivoted gimbals with locking screw and typsy key, the mahogany three-tier case with vacant nameplate to top surface, brass-capped upper corners and push button clasp for the top tier, above inset ivory panel inscribed HEWITT, 1366, 2 DAYS to the middle tier incorporating inset brass reinforcements to angles, the bottom tier with brass key escutcheon, conforming brass-bound angles and recessed hinged side carrying handles. The box 19cm (7.5ins) high, 18cm (7ins) square. Thomas Hewitt is recorded in Loomes, Brian Watchmakers & Clockmakers of the World, Volume 2 as working in London 1832-44 then in partnership with his son 1851-75. The movement of the current lot can be closely compared to that of a chronometer by Charles Frodsham, London which was sold in these rooms on 24th June 2020 (lot 87) for £7,000 hammer.