Casino history lives in the objects people handled: playing cards, roulette...

https://johnnywrbo401.wpsuo.com/what-counts-as-roulette-equipment-the-wheel-alone-or-the-table-layout-too

Casino history lives in the objects people handled: playing cards, roulette wheels, and slot reels. An 1895 San Francisco machine offers a close look at the mechanics behind familiar games, including the difference between single zero and double zero.