Hero of Alexandria described a remarkable coin-operated dispensing mechanism.
The system relied on gravity, levers, and carefully arranged components.
The process required no electricity or electronic controls.
E39 https://pocketcasts.com/podcast/huy-hoang-podcast/1eef9730-8383-013f-f21c-0affd341b2cf/e39life/014841df-e3f5-4184-8909-637505cddd76?hl=zh
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