Photocopies of items relating to dinners held by the Cambridge Philosophical Society in 1919 and 1932 (probably used in an exhibition) including: seating plan and invitation for 1919 Centenary Dinner at Sidney Sussex College; reports in Nature and the Cambridge Review on the dinner held in 1932 to celebrate the centenary of the granting of the charter, and list of guests and representatives of other learned societies at that dinner; and reports in the Cambridge Chronicle and Hunts Gazette relating to the establishment of the Society.