Short note from Palmer to Lovell, on measuring diameters of quasars: "spent two hours on 3c47 and three hours on 3c216, but saw no sign of fringes. Just before that, Donaldson obtained fringes on 3c287...so that is less than 0.3 secs". Calculations. .
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- ReferenceGB 133 JBA/JBM/2/1
- Dates of Creation1964