Details
A TWO-DAY MARINE CHRONOMETER
A. Johannsen & Co., No. 4257, circa 1892
The silvered dial signed and numbered A. Johannsen & Co. MAKERS TO THE ADMIRALTY. THE INDIAN GOVT. & ROYAL NAVIES of Spain and Portugal, 149 Minories, LONDON 4257, Roman hour numerals, outer minute chapter with Arabic five minute intermarkers, gold hour and minute hands, subsidiary seconds and up-and-down dials with blued steel hands, Earnshaw escapement, cut bimetallic balance, circular heat compensation weights, blued steel helical balance spring, spring foot detent with jewelled locking stone, brass bowl, gimballed in plain three-tier mahogany box, recessed brass handles, bone ivory plaque to front of middle section inscribed A. Johannsen & Co. LONDON 4257, rate certificate of HERBERT BODDY. F.B.H.I. HULL dated 27 August 1926
93 mm. dial diam., 163 mm. sq. box
A. Johannsen & Co., No. 4257, circa 1892
The silvered dial signed and numbered A. Johannsen & Co. MAKERS TO THE ADMIRALTY. THE INDIAN GOVT. & ROYAL NAVIES of Spain and Portugal, 149 Minories, LONDON 4257, Roman hour numerals, outer minute chapter with Arabic five minute intermarkers, gold hour and minute hands, subsidiary seconds and up-and-down dials with blued steel hands, Earnshaw escapement, cut bimetallic balance, circular heat compensation weights, blued steel helical balance spring, spring foot detent with jewelled locking stone, brass bowl, gimballed in plain three-tier mahogany box, recessed brass handles, bone ivory plaque to front of middle section inscribed A. Johannsen & Co. LONDON 4257, rate certificate of HERBERT BODDY. F.B.H.I. HULL dated 27 August 1926
93 mm. dial diam., 163 mm. sq. box