The file consists of a photograph of Westinghouse KDKA Little Symphony Orchestra, photographs of the broadcasting room and equipment used, photographs of the research building, water tower and aerial, a photograph of Isobel Bailie performing in the studio, a memoir of 2ZY by A. W. Muir of MetroVicks Publicity Department, notes on early broadcasting, and a report by the Research Department on the development of radio broadcasting in Great Britain. There are two copies of a Wireless Broadcasting Licence and some photocopied cuttings from newspapers and AEI company magazines.