Citations
Letter from David Thomas concerning a timepiece with two springs, 1819-07-22, GBR/0180/RGO 14/24: 460-461. Cambridge University Library. |
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Letter from David Thomas concerning a timepiece with two springs, 1819-07-22, GBR/0180/RGO 14/24: 460-461. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/159477 Accessed January 15, 2025. |