An AKG C-12B microphone and transformer, Austrian made, serial numbers (Microphone), Nr.023 (Transformer), 739, multi-pattern large diaphragm valve condenser microphone, switch activated -20dB pad, 240v power transformer, protective case, acquired from the Australian Broadcasting Corporation, Sydney, on 17 November 1992. Provenance: Australian Broadcasting Corporation, Sydney, Private Collection of Mr Kirk Pengilly, Sydney, acquired from the above, 17 November 1992