Product images of Marine chronometer, movement
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Marine chronometer, movement
A marine chronometer numbered 16285, by Thomas Mercer. It has a two-day full-plate fusee movement with four pillars, all fixed with blued screws. The movemetn is marked with the number 16285. The fusee, with stop-work and Harrison's maintaining power, has a pipe round the winding square. There is an Earnshaw-type spring detent escapement and a two-arm balance with helical balance spring.
- Image reference: F1188
- National Maritime Museum, Greenwich, London, Ministry of Defence Art Collection