Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Liet-Colonel [Frederick John Marrian] Stratton, D.S.O., Caius College, Cambridge Sends a cheque of £236.10, payment for the biannual subscription of Great Britain to the International Astronomical Union for 1927 and 1928. Includes a handwritten note which reads 'I have taken your figure on word. My brain is not equal to the mathematical processes involved in working'. 2 May 1928