Citations
Official correspondence of the Time Department on clocks and radio time signals, 1937 - 1940, GBR/0180/RGO 43/46, Box 6: RGO 43/43-52: Series GBR/0180/RGO 43. Cambridge University Library. |
|
Official correspondence of the Time Department on clocks and radio time signals, 1937 - 1940, GBR/0180/RGO 43/46, Box 6: RGO 43/43-52: Series GBR/0180/RGO 43. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/1969897 Accessed May 08, 2025. |