Citations
Observations for finding the variation of the compass, 1776-06-18 - 1776-11-15, GBR/0180/RGO 14/60: 8v-14r. Cambridge University Library. |
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Observations for finding the variation of the compass, 1776-06-18 - 1776-11-15, GBR/0180/RGO 14/60: 8v-14r. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/110505 Accessed October 18, 2024. |