Citations
Papers on magnetic instruments, 1886 - 1913, GBR/0180/RGO 7/47. Cambridge University Library. |
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Papers on magnetic instruments, 1886 - 1913, GBR/0180/RGO 7/47. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/99089 Accessed November 29, 2024. |