Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor [William Henry] Eccles, Secretary of the Physical Society of London and FRS Acknowledges the receipt of three cheques at one guinea each paid over on account of subscriptions to the 'Proceedings of the Royal Society' from Fellows of the Physical Society. Notes that Sir J. Mackenzie Davidson's cheque is made out to Professor [William Henry] Eccles, whose endorsement will therefore be necessary. Encloses the cheque for that purpose [not enclosed]. 29 January 1917