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Radio Record, Volume I, Issue 27, 20 January 1928, Page 4

The prospect of the production at some future time of gramophone records which will give visual reproductions of the persons as well as their audible performances was held out by Mr, J. L. Baird (the radio-vision inventor) in the course of a demonstration at London, when he exhibited a machine which is almost perfected. Station 21°C Sydney announces a slight alteration in its transmitting hours. On Monday and Wednesday nights the station now closes at 11 p.m, while on ‘Tuesday, Thursday, Friday and Saturday nights, the evening sessions are extended until 11.45 p-m. No alteration has been made in the Sunday night programmes.