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ARNOLD & DENT NO. 637; CIRCA 1835
Details
A William IV two-day marine chronometer
Arnold & Dent No. 637; circa 1835
The silvered dial signed Arnold & Dent 84 Strand London No. 637, Roman hour numerals, blued steel beetle and poker hands, subsidiary seconds and up-and-down dials with blued steel hands, Earnshaw escapement, cut bimetallic Pennington format balance with peripheral screws, blued steel helical balance spring, dovetail spring detent with steel locking pallet to side of banking block, brass bowl, replacement gimbal, replacement three-tier brass-bound mahogany box; with extensive alterations and additions.
95 mm. dial diam.; box 160 mm. sq.
Arnold & Dent No. 637; circa 1835
The silvered dial signed Arnold & Dent 84 Strand London No. 637, Roman hour numerals, blued steel beetle and poker hands, subsidiary seconds and up-and-down dials with blued steel hands, Earnshaw escapement, cut bimetallic Pennington format balance with peripheral screws, blued steel helical balance spring, dovetail spring detent with steel locking pallet to side of banking block, brass bowl, replacement gimbal, replacement three-tier brass-bound mahogany box; with extensive alterations and additions.
95 mm. dial diam.; box 160 mm. sq.
Literature
Hans Staeger, 100 Years of Precisoin Timekeepers from John Arnold to Arnold & Frodsham 1763-1862, 1997, pp. 495, 496 figs. 510, 512 I-III