Citations
Correspondence on the inauguration of a service of International Radio Time Signals derived from clocks at the RGO and emitted by Post Office radio transmitters at Rugby, 1925 - 1935, GBR/0180/RGO 43/50, Box 6: RGO 43/43-52: Series GBR/0180/RGO 43. Cambridge University Library. |
|
Correspondence on the inauguration of a service of International Radio Time Signals derived from clocks at the RGO and emitted by Post Office radio transmitters at Rugby, 1925 - 1935, GBR/0180/RGO 43/50, Box 6: RGO 43/43-52: Series GBR/0180/RGO 43. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/1969917 Accessed May 08, 2025. |