Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Secretary, Empire Marketing Board (Films), 37 Oxford Street, W1 A reply to be forwarded to Mr. Fletcher. Informs that to import films duty free, they must be purely scientific. The importer must apply to the Customs House directly with a completed form. The Royal Society acts solely in an advisory position when required by Customs. 10 September 1931