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Poole for John Clark, Greenock, a mahogany cased two-day chronometer, the full-plate, chain-fusee movement having maintaining power, an Earnshaw escapement with the cut bimetallic compensated balance having wedge shaped weights, 10-turn blued-steel helical balance spring, engraved to the backplate 'Poole, London, 856', the four-inch silvered dial engraved with black Roman numerals, signed 'Jno. Clark, Greenock, 856', with gold spade hands, the subsidiary seconds dial and 54 hour 'up-and-down' dial with blued steel hands, the frame stamped 'U RT', with brass bowl and gimbal contained in a brass-bound three-tier mahogany case with brass drop handles, diameter 16.5 x 16.5 x 17.5cm the serial number on this movement would suggest a date of manufacture of circa 1839. *John Clark (& Son) are recorded as working as a chronometer maker at White Hart Buildings hart BuildingsHin the port of Greenock, near Glasgow from circa 1822 until 1872. It is known that he used movements with Poole's compensation.
Estimate: £1,500 - £2,000
Realised: £1,550
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