Details
A TWO-DAY MARINE CHRONOMETER
Charles Shepherd, London, No.1350, Chronometer circa 1870, the box later,
frosted silvered dial signed Charles Shepherd, Maker to the Royal Navy, 53 Leadenhall St., London, 1350, Roman hour numerals, subsidiary seconds and up-and-down dials, later inscribed broad arrow mark, minute hand lacking, Earnshaw escapement, replaced detent with jewelled locking stone, cut bimetallic balance with two cylindrical heat compensation weights and peripheral timing screws, blued steel helical balance spring, numbered gimballed brass bowl, later and associated three-tier mahogany HAMILTON 21 brass bound box with external drop handles
96 mm. dial diam., 190 mm. sq. box
Charles Shepherd, London, No.1350, Chronometer circa 1870, the box later,
frosted silvered dial signed Charles Shepherd, Maker to the Royal Navy, 53 Leadenhall St., London, 1350, Roman hour numerals, subsidiary seconds and up-and-down dials, later inscribed broad arrow mark, minute hand lacking, Earnshaw escapement, replaced detent with jewelled locking stone, cut bimetallic balance with two cylindrical heat compensation weights and peripheral timing screws, blued steel helical balance spring, numbered gimballed brass bowl, later and associated three-tier mahogany HAMILTON 21 brass bound box with external drop handles
96 mm. dial diam., 190 mm. sq. box
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