Citations
TA: PZT [Photographic Zenith Tube] Drawings, c.1955-1984, GBR/0180/RGO 101/1/TA, Box 18: RGO 101/1/RY4/Y-Z & TA/Y-Z; Tube 93: RGO 101/1/TA/V, W & X. Cambridge University Library. |
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TA: PZT [Photographic Zenith Tube] Drawings, c.1955-1984, GBR/0180/RGO 101/1/TA, Box 18: RGO 101/1/RY4/Y-Z & TA/Y-Z; Tube 93: RGO 101/1/TA/V, W & X. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/1495909 Accessed November 17, 2024. |