Copy letter from Frederick Alexander Towle, Assistant Secretary of the Royal Society; to Dr. [Frederick Frost] Blackman, FRS Encloses Mr. [A. J.] Wilmott's paper and the remaining illustrations [not enclosed]. Notes that if the author is insisting on all of the figures being printed then he may have to redraw them in the interest of economy. In regard to Dr. [Frederick Frost] Blackman's other question [unspecified], explains that by substituting tables for blocks the Society saves a considerable amount of money. 22 July 1921