Photographic image captioned "Axial interferograms reflecting objective N.A. [numerical aperture] 0.79 C.O. [central obstruction] 33%"

  • Norris, Keith Patrick
Date:
February 1951
Reference:
KDBP/1/1/0245/c

Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)

Credit: Photographic image captioned "Axial interferograms reflecting objective N.A. [numerical aperture] 0.79 C.O. [central obstruction] 33%". Source: Wellcome Collection.

Provider: The original material is held at King's College London, Archives and Special Collections. This catalogue is held by the Wellcome Library as part of the Codebreakers: Makers of Modern Genetics programme.