A Mid Victorian mahogany Eight-Day Marine Chronometer Richard Webster, No. 458. Circa 1850 The silvered dial signed Richard Webster, Cornhill, No. 458 , Roman hour numerals, outer minute chapter with Arabic five-minute intermarkers 60-5-10 et seque , subsidiary seconds and up-and-down dials, blued steel hands, Earnshaw escapement, main frame assembly carrying remainder of the train and escapement, cut bimetallic balance with segmental heat compensation weights, blued steel helical balancce spring, spring foot detent with jewelled locking stone, brass bowl and gimbal (possibly later), three-tier plain mahogany box, the middle section inset with bone disc (unsigned), external brass drop handles 105mm. dial diam., box 178mm.sq.
A Mid Victorian mahogany Eight-Day Marine Chronometer Richard Webster, No. 458. Circa 1850 The silvered dial signed Richard Webster, Cornhill, No. 458 , Roman hour numerals, outer minute chapter with Arabic five-minute intermarkers 60-5-10 et seque , subsidiary seconds and up-and-down dials, blued steel hands, Earnshaw escapement, main frame assembly carrying remainder of the train and escapement, cut bimetallic balance with segmental heat compensation weights, blued steel helical balancce spring, spring foot detent with jewelled locking stone, brass bowl and gimbal (possibly later), three-tier plain mahogany box, the middle section inset with bone disc (unsigned), external brass drop handles 105mm. dial diam., box 178mm.sq.
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
