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. |
|
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 April 26, 2024. |