Teaching and testing aid

Claim 1

A TEACHING AID FOR GIVING AN EXAMINATION CONSISTING OF A PLURALITY OF MULTIPLE CHOICE QUESTIONS TO A STUDENT, THE TEACHING AID COMPRISING: SUPPORT MEANS FOR SUPPORTING A CONTACT BOARD AND A PUNCH CARD IN GENERALLY PARALLEL RELATIONSHIP, THE CONTACT BOARD HAVING A PLURALITY OF STATIONS SPACED THEREALONG AND AT LEAST ONE CORRECT ANSWER CONTACT AT EACH STATION; INDICATOR CIRCUIT MEANS CONNECTED TO THE CORRECT ANSWER CONTACTS FOR PRODUCING A DISCERNABLE SIGNAL UPON COMPLETION OF AN ELECTRICL CIRCUIT THROUGH ONE OF THE CORRECT ANSWER CONTACTS; AND CARRIAGE MEANS MOVABLE RELATIVE TO THE CONTACT BOARD AND TO THE PUNCH CARD AND POSITIONABLE AT THE STATIONS, THE CARRIAGE MEANS HAVING A PLURALITY OF MANUALLY ACTUATED MEANS THEREON FOR SIMULTANEOUSLY PERFORATING THE PUNCH CARD FOR PRODUCING A RECORD OF THE STUDENT''S ANSWERS TO EACH QUESTION, AND FOR COMPLETING A CIRCUIT THROUGH THE CORRECT ANSWER CONTACT OF THE STATION AT WHICH THE CARRIAGE IS POSITIONED WHEN THE MANUALLY ACTED MEANS CORRESPONDING TO THE CORRECT ANSWER TO A QUESTION IS ACTUATED TO PRODUCE A DISCERNABLE SIGNAL AND INDICATE THAT A CORRECT ANSWER HAS BEEN SELECTED