Copy letter from F. E. Inglis, Clerk of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society Encloses the original proof corrected by Mr. James Hopwood Jeans together with the revised proof [not enclosed]. Informs Mr. Jeans that the only question now appears to be the that of the Appendixes. Notes that in the orignal proof Mr. Jeans wrote 'Appendix B to follow', however, that according to Messrs Harrison & Sons there is still no sign of Appendix B. 15 December 1920