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Citations

Equal altitudes of the sun, 1801-10 - 1801-11, GBR/0180/RGO 4/186: 12v-13r. Cambridge University Library.

Equal altitudes of the sun, 1801-10 - 1801-11, GBR/0180/RGO 4/186: 12v-13r. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/108434 Accessed March 29, 2024.

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