Copy letter from Robert William Frederick Harrison, to Dugald Clerk, 18 Southampton Buildings, Chancery Lane, W.C. Harrison communicates that Clerk's paper 'On the specific heat of, heat flow from and other phenomena of the working fluid in the cylinder of the internal combustion engine' has been approved for publication in Proceedings of the Royal Society. He encloses the referees' remarks for his consideration, and states that the manuscript can be returned to him if he wishes to make any alterations in light of the referees' remarks. 12 March 1906