Copy letter from Robert William Frederick Harrison, to Professor Arthur William Rucker, [Secretary, Royal Society] Sends the abstract of a paper just received from Professor [John Henry] Poynting, with a note thereon and postcard for Rucker's decision, as well as a letter from Poynting [no enclosures]. Notes that with Dr Hokinson's death there are two vacancies in the Physics Committee. Presumes Dr [Michael] Foster is in communication with Professor Armstrong about a meeting of the International Catalogue Committee before the conference. 27 September 1898