Copy letter from an unknown correspondent, to the Cambridge Scientific Instrument Company 'On Sept 25 I sent Mr Lockwood's plates for press ordering 1025 copies. The author now writes for 100 more copies. If, therefore, the figures are still on the stones print an additional hundred, deliver them to Harrison & Sons & send the bill to the author, 19 Upper Berkeley Street, Portman Square, W'. 2 October 1888