Citations
Dividing astronomical instruments, 1767, GBR/0180/RGO 4/107. Cambridge University Library. |
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Dividing astronomical instruments, 1767, GBR/0180/RGO 4/107. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/97721 Accessed April 18, 2025. |