$4,140
Black & Murray, London, Calcutta, No. 601, circa 1880. Fine 8 day going mahogany marine chronometer with power reserve indicator. Two body mahogany box with external handles, glazed upper section. Brass bowl and gimballed suspension. Silvered with Roman numerals, outer minute ring, subsidiary seconds and Up-and-Down sector. Gilt brass "pear" hands. Brass polished fine, 3/4 plate with cylindrical pillars secured by screws, inverted fusee with maintaining power, Earnshaw type spring detent escapement, two-armed bimetallic compensation balance with cylindrical weights and timing screws, diamond end-stone, free spring helical balance spring. Signed on the dial and mahogany box. Dial diam. 92 mm Dim. 18,3 x 18,3 x 17,5 cm
Auctioneer:
Antiquorum
Date:
1998-12-15
