1991 – Perspecta,  Art Gallery of New South Wales, Sydney, Australia, 1993 – Sound art Meridian, Xebec Hall, Kobe Japan, 1997- Voltage, The physics room Christchurch, New Zealand.      An experimental electro-acoustic work “Siphon” explores the inherent qualities of electricity and its characteristic sounds by interpreting, sculpturally an electronic component within a sound producing circuit. The work uses a number of specially constructed glass capacitors, based on the “leyden jar”, an eighteenth century device, which demonstrates the possibilities for storing electricity in insulated containers. Each of the jars in “Siphon” acts temporarily like a battery, filling and emptying with electricity. …