Citations
BBC Engineering Information Department, Tatsfield, frequency standard and time comparison bulletins, January 1953 - December 1969, GBR/0180/RGO 43/153, Box 16: RGO 43/152-154: Series GBR/0180/RGO 43. Cambridge University Library. |
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BBC Engineering Information Department, Tatsfield, frequency standard and time comparison bulletins, January 1953 - December 1969, GBR/0180/RGO 43/153, Box 16: RGO 43/152-154: Series GBR/0180/RGO 43. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/1970761 Accessed May 08, 2025. |