Exposure to mysterious gases ( ozone ) from the “Air Loom” could account for the delusions ;-) https://publicdomainreview.org/2014/11/12/illustrations-of-madness-james-tilly-matthews-and-the-air-loom/ https://publicdomainreview.org/2014/11/12/illustrations-of-madness-james-tilly-matthews-and-the-air-loom/