• 10 hours

    The earliest known reference to a vending machine is in the work of Hero of Alexandria, an engineer and mathematician in first-century Roman Egypt. His machine accepted a coin and then dispensed wine2 or holy water.3 When the coin was deposited, it fell upon a pan attached to a lever. The lever opened a valve which let some wine flow out. The pan continued to tilt with the weight of the coin until it fell off, at which point a counterweight snapped the lever up and turned off the valve.

    Neat

          • I would use the coin the vending operator wanted me to as long as it exists in this millennium, but I would have to be on the lookout for sheisters with their arcade tokens and coin blanks:

    • 10 hours

      I wonder how consistent the pours were.