Y A Victorian brass inlaid rosewood two-day marine chronometer Hennessy, Swansea, circa 1875 The four pillar full-plate single chain fusee movement with spotted plates, Harrison's maintaining power and Earnshaw type spring detent escapement regulated by split bimetallic balance with circular timing weights and helical balance spring, the frontplate stamped with serial number 1375, the 4 inch circular silvered Roman numeral dial with gold spade steel hands, subsidiary seconds engraved with an anchor, power reserve dial, and inscribed HENNESSY, Maker to the Admiralty, SWANSEA, No. 1375 to centre, set in a lacquered brass bowl with screw-down bezel mounted within pivoted gimbals with locking screw, the rosewood three-tier case with brass shield nameplate engraved J.O.D. Maggie within double-line borders to top, over conforming front with push-button clasp for the top tier above circular inset ivory panel inscribed HENNESSY, 5 Wind St., SWANSEA to the middle tier and with inset brass key escutcheon over further disc engraved 1375 to the bottom tier, the sides with recessed brass carrying handles and conforming brass bound edges, 18cm (7ins) wide. Bernard Hennessey is recorded in Peate, Iowerth C. CLOCK AND WATCH MAKERS IN WALES as working from 5 Wind Street, Swansea 1841-75. He was a noted Nautical Instrument-maker, specialising in chronometers and marine barometers, including sympiesometers.