Citations
TESTS OF AIR PHOTOGRAPHY Part 1 - 12.4.61 - 2.4.64 (plus separate folder "Production of Diapositives & Diapositive tests)12.9.59 - 9.4.63) ; (contracts 42 - 73) ; progress folder : air photography test reports and notes., 1961-01-01 - 1961-12-31, GBR/3296/Maps/CCSA.DOS_315_1, DOS_315_1. Cambridge University Library. |
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TESTS OF AIR PHOTOGRAPHY Part 1 - 12.4.61 - 2.4.64 (plus separate folder "Production of Diapositives & Diapositive tests)12.9.59 - 9.4.63) ; (contracts 42 - 73) ; progress folder : air photography test reports and notes., 1961-01-01 - 1961-12-31, GBR/3296/Maps/CCSA.DOS_315_1, DOS_315_1. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/238642 Accessed May 16, 2025. |