Cards, roulette wheels and slot reels carry casino history in their design and...
https://star-wiki.win/index.php/How_to_Describe_Roulette_Accurately_Without_Mixing_Up_Wheel_Versions
Cards, roulette wheels and slot reels carry casino history in their design and mechanics. In San Francisco around 1895, a small workshop helped shape the slot machine. This article follows the objects to see how gambling became public entertainment.