Citations
'Mr Jennings's Observations on the Improvement of the Mariner's Compass by the Insulation of the Needle', 1817, GBR/0180/RGO 14/31: 203. Cambridge University Library. |
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'Mr Jennings's Observations on the Improvement of the Mariner's Compass by the Insulation of the Needle', 1817, GBR/0180/RGO 14/31: 203. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/159606 Accessed May 17, 2024. |