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Articles By mar lenhei
What Are Vending Machines?
Submitted as: Gallay12
Have you ever seen the buy and sale by vending machines? I guess that you could also have an idea to think about it but I have never seen type of this machine in my region where I live. To satisfy my curiousity I have searched engine and found out many interesting things from these machines. With the intelligence and creation, the Hero of Alexandria- a first-century engineer and mathematician- invented the first vending machine 215BC. In the first time this machine only one coin and then dispense water. A coin fell on upon a pan attached to a lever when it was sent. A valve was opened by the level which let some water flow out. After that the pan go on inclining by the weight of the coin and a counterweigh snapped the level up at which point and turnted off the valve. This Vending machines made the Industrial Age before coming to prominence. These types of machines are popular nowadays..(read
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Category : General
