Cheat-proof, programmed-learning device with motorized lesson sheet controlled by student

Claim 1

AN EDUCATING MACHINE COMPRISING: A CASE HAVING A VIEWING WINDOW THEREIN FOR EXPOSURE OF EDUCATIONAL MATERIAL, AND HAVING A COUNTER WINDOW THEREIN FOR EXPOSING THE REGISTER OF A COUNTER, AND HAVING A DOOR THEREIN ACCOMMODATING REMOVAL OF CONTENTS THEREFROM, SAID VIEWING WINDOW BEING DISPOSED IN SAID DOOR AND SAID DOOR BEING IN THE TOP OF SAID CASE; FIRST AND SECOND REELS DISPOSED IN SAID CASE, SAID FIRST REEL HAVING A SUPPLY OF EDUCATIONAL MATERIAL SHEET ROLLED THEREON AND SAID SECOND REEL HAVING ONE END OF SAID SHEET CONNECTED THERETO, WHEREBY SAID SHEET CAN BE ROLLED FROM SAID FIRST TO SAID SECOND REEL, SAID SHEET HAVING POSITIVE DRIVE APERTURES THEREIN, AND SAID SHEET HAVING A PLURALITY OF UNITS OF EDUCATIONAL MATERIAL THEREON, EACH OF SAID UNITS INCLUDING A QUESTION (206) PRINTED IN BLACK INK AND A PLURALITY OF PORPOSED ANSWERS (207, 208, 209, 211) TO SAID QUESTION, SAID ANSWERS EACH BEING IDENTIFIED BY A DIFFERENT IDENTIFICATION CHARACTER, AND ONE OF SAID ANSWERS BEING CORRECT, AND EACH UNIT INCLUDING A PLURALITY OF EXPLANATIONS (212, 213, 214) OF WRONG ANSWERS, EACH EXPLANATION BEING PROVIDED IN A PRINTING MEDIUM RESPONSIVE TO LIGHT OF A DIFFERENT CHARACTER FROM THAT TO WHICH EACH OTHER IS RESPONSIVE, AND EACH UNIT HAVING ADJACENT THERETO A PLURALITY OF APERTURES ARRANGED TO CORRESPOND WITH THHE ARRANGEMENT OF THE ANSWERS AND ANSWER EXPLANATIONS THEREON; A SYNCHRONIZING DRIVE MEMBER (38) HAVING POSITIVE DRIVE MEANS THEREON ENGAGING THE POSITIVE DRIVE APERTURES OF SAID SHEET, SAID POSITIVE DRIVE MEMBER BEING COUPLED TO AN ELECTRIC MOTOR (49) AND DRIVABLE THEREBY WHEN SAID MOTOR IS ENERGIZED, THE CONSTRUCTION OF SAID DRIVE MEMBER BEING RELATED TO THE POSITION OF EACH OF SAID UNITS ON SAID SHEET SUCH THAT ONE REVOLUTION OF SAID DRIVE MEMBER WILL MOVE ONE UNIT OUT OF REGISTRY WITH SAID VIEWING WINDOW AND MOVE ANOTHER UNIT INTO REGISTRY WITH SAID VIEWING WINDOW, SAID DRIVE MEMBER HAVING A KEY RECEIVING APERTURE (38A) THEREIN;