(left) This is an inquiry station at the Mercantile Trust Company that is equipped with closed-circuit T.V. monitor and keyboard. By turning to this unit, the teller can check the signature of a customer within 6 to 10 seconds. (right) Above is the automatic storage retriever unit, the "brain" of Mercantile's Automatic Signature Verificiation System. Attached to the main unit is an operator's console for additions, deletions and corrections of signature cards.