The paper, in the international peer reviewed journal Organised Sound (CUP), documents and discusses a major interactive sound installation for the British Museum's 250th anniversary exhibition Museum of the Mind. The project, with Dr. Cathy Lane of CRiSAP (Creative Research into Sound Arts Practice) at the University of the Arts, forms part of Parry's long term research into representations of history in sonic art, particularly within the museum context. In The Memory Machine, the use of Oral History materials pioneered in Boomtown (see output 1) is extended to encompass the in-situ creation of an oral history archive by the installation software itself. During the six-month exhibition, reminiscences of over 8000 gallery visitors were g...