"As the pianist played a tune, brackets of notes closed electric relays which switched various coloured lights on, illuminating a small scene. The inventor used certain combinations of coloured electric light bulbs to express certain bands of sound. The effect was quite interesting. There were no electronic aids to help the inventor." (Ted Hood, 11/10/1988) Format: Glass photonegative Find more detailed information about this photograph: acms.sl.nsw.gov.au/item/itemDetailPaged.aspx?itemID=8538 From the collection of the State Library of New South Wales www.sl.nsw.gov.au