A two-day marine chronometer
T.S. Negus & Co., circa 1860
a 3-1/2 in. (8.8 cm.) silvered dial signed and numbered T.S. Negus & Co. New York No. 543, Roman numerals, outer Arabic five minutes, subsidiary seconds and up-and-down dials, gold hour and minute hands, fusee movement within inner dust case with spotted plates, Earnshaw escapement, spring foot detent, cut bimetallic balance, poising and rating weights, and a blued steel helical balance spring, and a gimballed brass bowl. Within a three-tier brass bound mahogany box with drop handles blank name plate, inset lock escutcheon, and inset clock number plaque [blank].
7-1/4 x 7 x 7 in. (18.4 x 17.8 x 17.8 cm.) box.
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