Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir John Russell, FRS Gives thanks on behalf of the Soiree Committee for the offer to show a film illustrating the function of x bodies in the cells of plants affected by a virus. Asks for confirmation that the film is not flammable and how long the film would take. States that a member of the Committee has stated that the film can be quicker than the 20 minutes stated by Sir John Russell. 23 March 1931