Referee's report by Thomas George Cowling, on a paper 'The westward drift of the Earth's magnetic field' by Edward Crisp Bullard, Cynthia Freedman, H Gellman and Jo Nixon Sectional committee: Physics Paper reference code: A80 Recommended for publication in Philosophical Transactions with revisions. [Published in Philosophical Transactions A, 1950]. Date received not given. Note reads '(Passed to T G Cowling from E C Stoner)'. 17 May 1950