Citations
Notes on the reconditioning and refurbishing of the Photographic Zenith Tube (PZT), 1973 - 1974, GBR/0180/RGO 43/192, Box 20: RGO 43/187-200: Series GBR/0180/RGO 43. Cambridge University Library. |
|
Notes on the reconditioning and refurbishing of the Photographic Zenith Tube (PZT), 1973 - 1974, GBR/0180/RGO 43/192, Box 20: RGO 43/187-200: Series GBR/0180/RGO 43. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/2038322 Accessed May 19, 2025. |