|Description||The ten surviving notebooks form part of three different incomplete sequences as follows:|
C.30-32 at Manchester University, almost entirely in Blackett's hand. It shuold be noted that the first observations recorded in (C.30) are dated '9.8.47', and that observations headed 'Jodrell' are dated '16.1.49.' (p.25 of C.30)
Bernard Lovell, 'P.M.S. Blackett: A Biographical Memoir', Royal Society: 1976, gives 'during the spring and summer of 1949' as the beginning of measurements at Jodrell Bank.
C.33-38, at Jodrell Bank. The majority of the observations are by J.M. Pickering, checked and annotated by Blackett. Some are entirely in his own hand.
C.39-40, at Imperial College, London, where the work was continued after Blackett's appointment to the Chair of Physics in succession to G.P. Thomson. These books are entirely in Blackett's own hand.