182 (detail)


182. A TWO-DAY MARINE CHRONOMETER BY D. McGREGOR & Co., GLASGOW & GREENOCK, C.1860


with 4in. silvered dial signed as per title and numbered ‘C/2106’, gold spade hands to fusée movement with Earnshaw escapement and Poole’s patent auxiliary, contained in gimballed bowl numbered ‘670’ within three-tier wooden box with counter-signed and numbered ivorine plate, approximately -- 7in. (17.7cm.) square


£1500-2000


183. A 19TH CENTURY TWO-DAY MARINE CHRONOMETER BY JOHN POOLE, C.1843


with later 3¾in. silvered dial signed and numbered for Joseph Sewill 3172, movement signed and numbered Poole London No.707 with ‘S’ balance, blued helical balance spring, Earnshaw escapement and chain fusée, contained in a gimballed brass bowl with domed glass cover within converted two-tier box with associated key, drop handles and inset ivory label engraved Pennington 315 -- 6¾in. (17.2cm.)


£1000-1500 182


184. A TWO-DAY MARINE CHRONOMETER BY THOMAS MERCER, ST. ALBANS, C.1955


the 4in. silvered dial signed as per title and numbered ‘25113’, blued-steel hands to fusée movement with spot-finished plates, Earnshaw escapement and Mercer’s auxiliary balance, contained within a gimballed bowl numbered ‘16’ set within two-tier wooden box with glass top, approximately -- 7in. (17.7cm.) square


£700-900


184 183 (detail) 63


183


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