JOHN ARNOLD, NO. 63, CIRCA 1797
Details
A George III silver-cased pocket marine chronometer
John Arnold, No. 63, circa 1797
The white enamel dial signed JOHN ARNOLD. LONDON. No. 63, Roman hour numerals, outer minute chapter with Arabic 5 minute intermarkers 60-5-10 et seque, large subsidiary seconds dial intersecting VI, blued steel hands, pinned gilt frame, the top-plate inscribed John Arnold London, Invt et Fecit No. 20/63, pierced balance cock, Arnold escapement and recessed detent with jewelled locking stone, Z + O balance, the bimetallic Z rim with non-ferrous outer and steel inner laminae with brass cross-arm, the O being of gilt brass with three suspended equilaterally positioned brass weights, blued steel helical balance spring, silver hinged two-piece case, casemaker T.H. (Thomas Hailes, 1 Higgin Lane), in velvet-lined three-piece mahogany deck watch box
63 mm. dial diam., 105 x 127 x 56 mm. box
London, 1797
John Arnold, No. 63, circa 1797
The white enamel dial signed JOHN ARNOLD. LONDON. No. 63, Roman hour numerals, outer minute chapter with Arabic 5 minute intermarkers 60-5-10 et seque, large subsidiary seconds dial intersecting VI, blued steel hands, pinned gilt frame, the top-plate inscribed John Arnold London, Invt et Fecit No. 20/63, pierced balance cock, Arnold escapement and recessed detent with jewelled locking stone, Z + O balance, the bimetallic Z rim with non-ferrous outer and steel inner laminae with brass cross-arm, the O being of gilt brass with three suspended equilaterally positioned brass weights, blued steel helical balance spring, silver hinged two-piece case, casemaker T.H. (Thomas Hailes, 1 Higgin Lane), in velvet-lined three-piece mahogany deck watch box
63 mm. dial diam., 105 x 127 x 56 mm. box
London, 1797
Literature
Vaudrey Mercer, Arnold & Son, London, 1972, p. 218
Sale room notice
According to Vaudrey Mercer, Arnold & Son, London 1972, (additions and corrections to Appendices I-XVI), No. 20/63 was later fitted with a spring detent and O Z balance. The case, dated 1797, is considered contemporary to these alterations.