Referee's report by Eric Keightley Rideal, on a paper 'Adhesion of solids and the effect of surface films' by J S MacFarlane and David Tabor Sectional committee: Physics Paper reference code: A14 Recommended for publication in Proceedings. Rideal writes that 'This paper A14 and A15 [see RR/73/29] contain a certain amount of material in common [...] If drastic measures have to be taken in respect to space A14 and A15 might be combined.' Describes both papers as 'interesting and valuable.' [Published in Proceedings A, 1950]. Date received not given. 23 January 1950