Cards, roulette wheels, and slot reels carry casino history in their details....

https://delta-wiki.win/index.php/How_Did_Playing_Cards_Handle_Wear_and_Repeated_Shuffling_Historically%3F

Cards, roulette wheels, and slot reels carry casino history in their details. This article follows the trail to an 1895 San Francisco workshop and looks at how single-zero and double-zero wheels shaped the game, beyond the familiar table.