Letter from David Brunt, on a paper 'The escape of molecules from a plane surface into a still atmosphere' by K J Brookfield, H D N Fitzpatrick, J F Jackson, J B Matthews and E A Moelwyn-Hughes to J D Griffith Davies, Assistant Secretary of the Royal Society He accepts the paper in it's new form. A small modification could be made. [Published in Proceedings of the Royal Society A, 1947]. 21 November 1946