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Description:
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Pocket watch in 18ct gold case. Thirty hour duration, single train, gilt brass, four pillar capped fusee movement with table roller, ratchet tooth, lever escapement and maintaining power. Plain balance cock with diamond endstone in blued-steel setting. Pennington-type compensation balance with flat spiral, blued-steel balance spring. Polished steel index with silver regulating scale, engraved with 'S F'. Jewelled to the third wheel with screwed settings. Engraved on balance cock foot 'PATENT', on barrel bridge with 'John Crofs Charterhouse Square' and on the upper plate with 'London' and 'No.33317'. Gilt metal cap stamped inside incuse with '317' with makers cameo stamp with 'R E'. Flat white enamel dial with Roman hour numerals, minute circle and diamond shaped quarter marks. Subsidiary seconds dial with Arabic ten seconds numerals and seconds circle. Gold moon hands. 18ct gold, open face case, hallmarked 'London 1825-1826' with makers incuse stamp 'FH' over 'PM' (Frederick Humbert and Philibert Mathey. 20 Hyde Street Bloomsbury). Stamped incuse '317'. Scratched inside dome with '85607'(?), '1662', 'M-E/sa/(?_' and 'D.CT.+X D?NCVN'. Scratched inside case back with '08/8', monogram and '880', '3174', '14271', '12126', '32159', '1107','19570', '19109', '13(?)868', '66344', 'H9570', monogram and '5882'. Gold pendant and stirrup bow. Pendant stamped with 18ct gold standard cameo mark and incuse 'W T'. Convex glass over dial. The escapement was possibly, originally one of Massey's lever types, converted to a table roller at a later date. The seconds hand is missing. The pendant and bow are later replacements. The watch is said to have belonged to Admiral Adam Duncan (1731-1804). This is incorrect as the watch is hallmarked 1825-1826. The maker John Cross joined the livery of the Clockmakers' Company in 1834.
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