|Ronald Allison, The Country Life of Britain in the Seventies. (Country Life Books, 1980).|
Interestingly, David Edgar wrote a play about the closure of the Meriden factory and the development of the worker's cooperative before the entire enterprise went down the tubes. Published in 1976, it's titled, "Events Following the Closure of a Motorcycle Factory." Apparently, it was performed by the Birmingham Repertory Theatre. It's a view from the workers' point of view.
To read a little more, visit Triumph for the workers of a Meriden motorcycle factory.