Copy letter from William Bate Hardy, Secretary of the Royal Society; to Edwin W. Schreiber Esq.; Yale University, New Haven, Connecticut Apologises for not being able to answer much of Edwin W. Schreiber's enquiry about William Shanks, suggests Schreiber contact the Rev. S.K. Knight, M.A., Houghton-le-Spring. Cannot answer Schreiber's search for a bibliograph of geometrical instruments. 8 October 1923