| Description | Writing from New Haven. Thanks for letters and diagrams - asks Heatley to answer letter from Kodak - Rake has agreed to send him a culture and will send some material to Heatley for checking - Squibb have promised enough penicillin to treat 5 cases - Charles Frost and Co want to make penicillin - comments on this - outlines procedure Heatley should follow to arrange return to Oxford and comments on this. |