Letter from Nevill Francis Mott, on a paper 'The theory of D.C. characteristics of rectifiers' by P T Landsberg, to D C Martin, Assistant Secretary of the Royal Society Paper reference code: A147 Mott remarks Landsberg's two papers (A147 & A189) are now 'respectable' and should be published, and is in agreement with the first referee of Simpson and Sutherland's papers that they 'should be accepted and published as one volume of the Transactions.' Written from University of Bristol [England]. [Published in Proceedings A, 1951]. Endorsed on recto as received 20 December 1950. 18 December 1950