Citations
Letter from John Barrow to Edward Hopkins concerning his request to send two of his chronometers to the depot at Greenwich, 1821-12-01, GBR/0180/RGO 5/229: 18. Cambridge University Library. |
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Letter from John Barrow to Edward Hopkins concerning his request to send two of his chronometers to the depot at Greenwich, 1821-12-01, GBR/0180/RGO 5/229: 18. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/108580 Accessed April 22, 2025. |