Essay titled 'The Reception of Wireless Waves on a Shielded Frame Aerial', by Alan [Archibald] Campbell Swinton, F. R. S., read before the British Association Essay communicated by Swinton to the British Association, and read before them, on the subject of experiments he carried out in his London laboratory. Swinton was attempting to test a suggestion by Mr N. P. Hinton that something of the nature of a wireless telescope, with improved direction-finding properties, might be made by placing a frame aerial in a large metal tube or wire spiral, open at the ends. September 1921