Copy letter from Robert William Frederick Harrison, to Professor Norman John Collie, Fellow of the Royal Society There is a series of 'Proceedings [of the Royal Society]' papers by Professor Armstrong and others and others on the Processes operative in Solutions, Parts VI to X, for consideration at the Physics and Chemistry Committee on Tuesday, and the Chairman would like to know whether Collie would take a look at these papers before the meeting, if possible. 25 June 1908