Two pocket chronometer movements, now in brass bowls for gimbal mounting, the first marked "Thos. Buchanan Dublin", 14 jewel fusee movement with Earnshaw spring detent escapement, Z balance with compensation limiting device and helical balance spring,
Anonymous (not verified)
24 October 2024
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Two pocket chronometer movements, now in brass bowls for gimbal mounting, the first marked "Thos. Buchanan Dublin", 14 jewel fusee movement with Earnshaw spring detent escapement, Z balance with compensation limiting device and helical balance spring,
both running...