Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr. [Bernard Augustus] Keen, Rothamsted Experimental Station, Harpenden, Herts. Informs Dr. [Bernard Augustus] Keen that the South African Association for the Advancement of Science can expect permission to reproduce figure 2 from Keen and Mr. [John Reginald Horder] Coutts' paper in Proceedings Vol. A. 106 ['Paper is 'An automatic and continuous recording balance. (The odén-keen balance.)']. 8 September 1926