A VICTORIAN TWO-DAY MARINE CHRONOMETER WITH HARTNUP BALANCE Robert Walshaw, No. 536, circa 1860 The silvered dial with frost finish signed Robert Walshaw 178 Park Lane, LIVERPOOL No. 536 , Roman hour numerals, gold hour and minute and up-and-down hands, subsidiary seconds and up-and-down dial, blued steel seconds hand, Earnshaw escapement, Hartnup bimetallic dish balance with heavy segmental format heat compensation weights, blued steel helical spring, spring foot detent with steel locking pallet, brass bowl numbered 536 , gimballed in brass-bound three-tier mahogany box, the centre section with bone ivory plaque inscribed ROBT WALSHAW 178 Park Lane, LIVERPOOL, No. 536 , external brass drop handles 100 mm. dial diam., 180 mm. sq. box
A VICTORIAN TWO-DAY MARINE CHRONOMETER WITH HARTNUP BALANCE Robert Walshaw, No. 536, circa 1860 The silvered dial with frost finish signed Robert Walshaw 178 Park Lane, LIVERPOOL No. 536 , Roman hour numerals, gold hour and minute and up-and-down hands, subsidiary seconds and up-and-down dial, blued steel seconds hand, Earnshaw escapement, Hartnup bimetallic dish balance with heavy segmental format heat compensation weights, blued steel helical spring, spring foot detent with steel locking pallet, brass bowl numbered 536 , gimballed in brass-bound three-tier mahogany box, the centre section with bone ivory plaque inscribed ROBT WALSHAW 178 Park Lane, LIVERPOOL, No. 536 , external brass drop handles 100 mm. dial diam., 180 mm. sq. box
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.jpg "Quelle: Christie's")
.jpg "Quelle: Christie's")
