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Published online by Cambridge University Press: 14 August 2015
Observations were made at Cambridge between 1957 March 12 and May 13 in an attempt to detect radio emission from the comet at 3.7- and 7.9-m wavelengths by observing radio stars through its tails, to derive information on the electron density in the manner used by Hewish [1] in investigating the outermost layers of the solar corona.