So the guy in Solingen/Germany (Gerhard Wenzel) is real and owns this collection but the museum is strictly online https://www.techbook.de/mobile-lifestyle/tasc

So the guy in Solingen/Germany (Gerhard Wenzel) is real and owns this collection but the museum is strictly online https://www.techbook.de/mobile-lifestyle/taschenrechner-sammlung https://www.techbook.de/mobile-lifestyle/taschenrechner-samm...