Letter from [Alexander] Russell, Faraday House Electrical Engineering College, Faraday House, Southampton Row, London, W. C. 1., to [Alan Archibald] Campbell Swinton [Esquire], 40 Chester Square, London, S. W. 1. Thanks Swinton for sending his paper on television by cathode rays, commeting that theoretically his methods seems far preferable to mechanical methods. Informs he saw some excellent pictures by a mechanical method at Baird's laboratory. being greatly superior to his pictures of two years ago but the method unsuitable for commercial exploitation. 4 July 1928