Letter from Henry [Durand] Davray, The Anglo-French Society, 161A-166, Strand, London, W.C.2., to The Secretary, The Royal Society, Burlington House, W.1 Informs that M Belin, Electrical Engineer, wishes to deliver a lecture on his research in "television" and "telautographie" at the Royal Society and requests that the matter be put before Committee for consideration, 27 June 1923