Copy letter from Robert William Frederick Harrison, to Sir John Rose Bradford, Secretary of the Royal Society The paper by H Hartridge on 'The relation of the personal factor to the estimation of CO by the spectroscope', which was communicated by Professor Langley, was treated as a physics paper and went to Professor Newall as a referee. Sending correspondence between Sir Joseph Larmor and Langley which explains the situation [no enclosures]. Asks what action should be taken. 7 August 1912