Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Messrs Partridge and Cooper Ltd.; 191, 192 Fleet Street, E.C 'The Pencils sent are we regret not at all what we ordered and not what we want. We therefore return the package of 2 dozen sent, retaining only one which we have cut for trial. Please remember to alter your account accordingly.' 21 February 1919