Somewhere between 1885 and 1897, a Californian car mechanic Charles Fey invented the first mechanical slot machine which featured 4 symbols on three wheels.
Engersäits tëscht 1885 a 1897 erfannen kalifornesche Autosmechner Charles Fey déi éischt mechanesch Slotmaschine, déi 4 Symbolen op 3 Rollen huet.