Letter from the Assistant Secretary of the Royal Society [John David Griffith Davies] to [Irving] Langmuir, regarding paper 'The analysis of discrete vapour maps' by [Dorothy Maud] Wrinch Paper reference code: A.207 'I have a letter from Dr Wrinch in which she wishes to withdraw her paper. I assume that you as communicator have no objection and have returned the paper to her direct.' [Clarification: this paper relates to the model of protein structure called 'cyclol' published in Proc. A, 161, issue 907, which Wrinch defended but had been disproven by 1939] [Not published]. 16 February 1939