An Automat (sometimes referred to coloquially as a Wall)'s a fast food restaurant where simple foods and drink are served by coin-operated and bill-operated vending machines. Originally, the machines took only nickels but modern automat vending machines accept bills. In the original format, a cashier would sit in a change booth in the center of the restaurant, behind a wide marble counter with five to eight rounded depressions in it. She'd serve many customers at once, taking their money from t… (More on Automat)