Letter from B. E. Nicholls, The British Broadcasting Corporation, Savoy Hill, London, W. C. 2., to [Alan Archibald] Campbell Swinton [Esquire], F. R. S., 40 Chester Square, S. W. 1. Encloses a proof of Swinton's article on Television which he wrote for the BBC Year-Book, discussing the amendments [enclosure not present]. 10 June 1929