Below you will find an overview of the known dated events in this instrument's history. If you have any to add, please feel free to contact me.
INSTRUMENT HISTORY
DATES  | 
EVENTS  | 
07-1989  | Heartfield-related instrument #196 produced at the FujiGen Gakki factory in Matsumoto, Nagano, Japan  | 
10-2006  | Bought by John Simmons (UK) from Rob Ignatowicz (USA); new three-way switch fitted  |