The Longitude at the Eve of the Third...

Geneva, Hotel Des Bergues, Oct 23, 1999

LOT 84

Arnold & Dent, 84 Strand, London, No. 1394,circa 1840.Fine 48 hour going mahogany marine chronometer with power reserve indicator.

C. Three body mahogany box with external handles, the glazed upper section with hinged lid. Brass bowl and gimballed suspension. D. Silvered with Roman numerals, outer minute ring subsidiary seconds and Up-and-Down sector. Blued steel "Pear" hands.M. Brass spotted finished, full plate with cylindrical pillars secured by screws, fusee with maintaining power, Earnshaw type spring detent escapement, two-arm bimetallic compensation balance with cylindrical weights and timing screws, diamond end-stone, free sprung helical balance spring.Signed on the dial and mahogany box.Dial diam. 95 mmDim. 15.2 x 15. 2 x 16.5 cm