Letter from H Wooldridge, to John David Griffith Davies, regarding a paper 'The theory of reflexion of very long wireless waves from the ionosphere' by Maurice Vincent Wilkes Sectional Committee: Physics Returns the paper as requested by Edward Victor Appleton. The author has seen the referee's comments and added a few remarks. Edward Victor Appleton is satisfied that there is no reason to delay publication until after the war. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on recto as received 1 February 1940. 31 January 1940