T. S & J. D NEGUS A MID 19TH CENTURY AMERICAN TWO DAY
T. S & J. D NEGUS A MID 19TH CENTURY AMERICAN TWO DAY MARINE CHRONOMETER the three-tier rosewood case containing a gimballed brass frame with 4" silvered dial engraved a Roman and Arabic chapter ring enclosing two subsidiary dials for seconds and power reserve fronting a chain-driven fusee movement with Earnshaw-type spring detent escapement, weighted bi-metallic compensated balance wheel, helical blued steel spring and jewelled end stop 18cm wide, 18cm high - comes with original tipsy winding key
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T. S & J. D NEGUS A MID 19TH CENTURY AMERICAN TWO DAY MARINE CHRONOMETER the three-tier rosewood case containing a gimballed brass frame with 4" silvered dial engraved a Roman and Arabic chapter ring enclosing two subsidiary dials for seconds and power reserve fronting a chain-driven fusee movement with Earnshaw-type spring detent escapement, weighted bi-metallic compensated balance wheel, helical blued steel spring and jewelled end stop 18cm wide, 18cm high - comes with original tipsy winding key
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