Growing up in Moore, Oklahoma in the 1960s and 1970s, my mother frequented the C.R. Anthony's store in the City of Moore Shopping Center. They used pneumatic tubes; the person at the check-out counter would put a receipt and money tendered into a tube and off it would go to somewhere, I figured some office in back, where they made change and sent the tube back. You could hear it rattle around a bit as it went on its way, and the way it would come back, zip out onto a open curved "landing strip" and slam into the stop was impressive.