Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to [Messrs Harrison & Sons] 'Change of Address. Please note that Mr. A. V. Hill's address is now 45 The Downs, Altringham Cheshire. that Prof. A. W. Reinold's address is now East Cosham House, Cosham, Hants. and that Prof. Sir Bertram Windle's address is St Michael's College, Toronto, Ont. to which all communications should be sent in future.' 12 April 1920