Casino history is easy to picture in cards, but the objects tell a richer...

https://source-wiki.win/index.php/Why_an_Animated_Reel_Doesn%E2%80%99t_Prove_a_Slot_Works_Like_an_Old_Cabinet

Casino history is easy to picture in cards, but the objects tell a richer story. A roulette wheel’s single-zero or double-zero layout reflects different gambling traditions, while the familiar slot machine took shape in San Francisco in 1895