Citations
'Computation of standard co-ordinates' (Form No. 281), c.1901-1906, GBR/0180/RGO 160/1-6. Cambridge University Library. |
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'Computation of standard co-ordinates' (Form No. 281), c.1901-1906, GBR/0180/RGO 160/1-6. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/1830489 Accessed November 29, 2024. |