Citations
Description and drawings of the plates and parts of Earnshaw's timekeeper, 1802-12-02, GBR/0180/RGO 14/25: 149-155. Cambridge University Library. |
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Description and drawings of the plates and parts of Earnshaw's timekeeper, 1802-12-02, GBR/0180/RGO 14/25: 149-155. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/159518 Accessed April 28, 2024. |