Citations
Copy of a letter from Joseph Needham to Chu Kho-Chen [竺可楨 / Zhu Kezhen / Coching Chu] advising him of the work of P. A. Jehl and asking questions about the instruments at the Observatory, 1957-02-22 - 1957-06-14, GBR/1928/NRI/SCC2/73/4/7. Needham Research Institute. |
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Copy of a letter from Joseph Needham to Chu Kho-Chen [竺可楨 / Zhu Kezhen / Coching Chu] advising him of the work of P. A. Jehl and asking questions about the instruments at the Observatory, 1957-02-22 - 1957-06-14, GBR/1928/NRI/SCC2/73/4/7. Needham Research Institute. https://archivesearch.lib.cam.ac.uk/repositories/21/archival_objects/344232 Accessed July 01, 2024. |