Michael Gilligan | 31/07/2023 10:18:17 |
![]() 23121 forum posts 1360 photos | This touches on several topics that might be of interest to various forum members: http://downloads.bbc.co.uk/rd/pubs/reports/1963-20.pdf MichaelG. |
Clive Steer | 31/07/2023 12:29:38 |
227 forum posts 4 photos | The Scientific Instrument Research Association that was located in Chislehurst developed an optical transfer function instrument back in the 60's. I was shown this when I went for a job interview there and later in the late 70's met an engineer who had worked on it. CS |
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