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JOSEPH SEWILL, NO. 225. CIRCA 1850
細節
AN EARLY VICTORIAN TWO-DAY MARINE CHRONOMETER
Joseph Sewill, No. 225. Circa 1850
The silver dial signed Josh. Sewill, Sth. Castle St, LIVERPOOL No. 225, Roman hour numerals, gold hour and minute hands, subsidiary seconds dial with inscription RESPRUNG BY FROSHAM & KEEN, up-and-down dial, both dials with blued steel hands, small size movement (62mm. diam.), Earnshaw escapement, cut bimetallic balance with cylindrical heat compensation weights, blued steel helical balance spring, spring foot detent with jewelled locking stone, brass bowl and gimbal in three tier brass bound mahogany box the centre section with inset bone disc (unsigned), external brass drop handles
87mm. dial diam., box 165mm sq.
Joseph Sewill, No. 225. Circa 1850
The silver dial signed Josh. Sewill, Sth. Castle St, LIVERPOOL No. 225, Roman hour numerals, gold hour and minute hands, subsidiary seconds dial with inscription RESPRUNG BY FROSHAM & KEEN, up-and-down dial, both dials with blued steel hands, small size movement (62mm. diam.), Earnshaw escapement, cut bimetallic balance with cylindrical heat compensation weights, blued steel helical balance spring, spring foot detent with jewelled locking stone, brass bowl and gimbal in three tier brass bound mahogany box the centre section with inset bone disc (unsigned), external brass drop handles
87mm. dial diam., box 165mm sq.
注意事項
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