A 19th century two-day marine chronometer, the silvered dial signed John Poole, Maker to the Admiralty, London No.1397, gold hands, Roman chapters, blued steel hands to subsidiary seconds and up-and-down dials, the small movement with cut bimetallic balance with Poole's auxiliary circular heat compensation weights, blued steel helical balance spring, Eanrshaw escapement (lacking detent and escape wheel dammaged), brass bowl and gimbal in fine three-tier brass bound rosewood box, externanal brass drop handles (lacking key)

細節

A 19th century two-day marine chronometer, the silvered dial signed John Poole, Maker to the Admiralty, London No.1397, gold hands, Roman chapters, blued steel hands to subsidiary seconds and up-and-down dials, the small movement with cut bimetallic balance with Poole's auxiliary circular heat compensation weights, blued steel helical balance spring, Eanrshaw escapement (lacking detent and escape wheel dammaged), brass bowl and gimbal in fine three-tier brass bound rosewood box, externanal brass drop handles (lacking key)
dial diam. 92mm.