Citations
Rates of Mr Earnshaw's timekeepers tried at the Royal Observatory in 1799, 1800-12-06, GBR/0180/RGO 14/25: 330-332. Cambridge University Library. |
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Rates of Mr Earnshaw's timekeepers tried at the Royal Observatory in 1799, 1800-12-06, GBR/0180/RGO 14/25: 330-332. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/159541 Accessed March 29, 2023. |