the world's most popular coin-operated gaming device. Liberty Belle Books, Reno (Nevada) 1989, ISBN 978-0-962385-20-9. Gerhard Reiter: Charles Fey. Erfinder der Liberty Bell Slot Machine. In: Geschichte im Landkreis Neu-Ulm, Landkreis Neu-Ulm, Series: Geschichte im Landkreis Neu-Ulm, 5. Jahrgang 1999, ISBN 3-9804730-5-8, S. 131–138. References External links Nevada State Museum Fey Slot Machine Virtual Exhibit 1862 births 1944 deaths People from Neu-Ulm (district) German emigrants to the United States 20th-century American inventors Burials at Cypress Lawn Memorial Park