Citations
Seth Hunt on a new detached escapement for chronometers, 1819, GBR/0180/RGO 14/24: 324-331. Cambridge University Library. |
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Seth Hunt on a new detached escapement for chronometers, 1819, GBR/0180/RGO 14/24: 324-331. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/109793 Accessed November 28, 2024. |