After spending some time at York public library, searching the microfiche archive for anything relevant, I came across this disturbing account. A demonstration at the City Art Gallery, Exhibition Square, York took a tragic turn last night as a young inventor’s demonstration went badly wrong. Anthony Glass, 43, of Holborn, London was undertaking the latest speaking engagement in what was planned to be a national tour when the malfunction occurred. Mr Glass has become quite infamous for his ‘talking box’ [...]