A letter from H.L. Guy, Secretary, The Institution of Mechanical Engineers, Storey's Gate, St James's Park, London, S.W.1 to Lieut (E) Philip Keith Mc Pherson[sic] R.N. dated 13th July 1948 congratulating him on his election as a Graduate of the Institute of Mechanical Engineers. Also included is a copy of the institutions by-laws and a further letter from Brain G Robbins, Secretary, The Institution of Mechanical Engineers, 1 Birdcage Walk, Westminster, London, S.W.1 to Lieutenant Commander Philip Keith McPherson[sic] R.N. dated 29th October 1959 congratulating him on his transfer to the class of Associate Member of the Institute of Mechanical Engineers.