Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [John Douglas] Cockcroft Esq. Gives thanks for the summary of the paper. Explains that the method suggested by [John Douglas] Cockcroft will result in the print being faint and the additional cost if £2 will be passed on to him. Asks for Cockcroft to decide to re-draw the figure, or to allow the printers to do what they can with the method suggested. 24 February 1928