Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [Messrs Harrison and Sons, publishers] 'Kindly forward to C. F. Pond Esq., University Press, Cambridge, on loan and return the blocks of the illustrations on the enclosed list from the Proceedings, Volumes A. 104, 107 and 108, and the Phil[osophical] Trans[actions], Volume B. 211.' [Enclosure not present.] 15 November 1927