1712 ticket machine   The 1712 ticket machine issues tickets measuring 48mm x 20mm from a roll and gives change. The 1712 is available to issue 1,2,3,or 4 differently priced tickets. The machine accepts up to 8 different denominations of coin, the amount inserted being shown on the LED display. Customers press buttons to activate the chosen vend. As long as there is sufficient credit the customer may continue purchasing tickets. If, when the customer has finished there is credit still left, a change button may be pressed which will return this to him.