Test scoring and recording machine

Claim 1

IN A MACHINE FOR GRADING AND MARKING SECONDARY STUDENT RESPONSE CARDS ACCORDING TO THEIR COMPARISON WITH PERFORATED DATA APPEARING ON A SIMILAR PRIMARY MATRIX CARD AND RELATING TO MULTIPLE CHOICE RESPONSES TO A SERIES OF QUESTIONS, THE SECONDARY AND PRIMARY CARDS AND HAVING CORRESPONDINGLY ARRANGED GROUPS OF MULTIPLE CHOICE POSITIONS, THE MULTIPLE CHOICE POSITIONS OF THE PRIMARY CARD BEING TEACHER-PERFORATED IN ACCORDANCE WITH CORRECT RESPONSES TO SAID QUESTIONS, AND THE POSITIONS OF THE SECONDARY CARDS BEING VARIOUSLY PERFORATED SO AS TO BE INDICATIVE OF CORRECT AND INCORRECT ANSWERS TO SAID QUESTIONS, A ROTARY CYLINDER FOR SUPPORTING THE PRIMARY CARD IN WRAP-AROUND FASHION, MEANS FOR ROTATING SAID CYLINDER, A SERIES OF SENSING DEVICES COOPERATING WITH SAID CYLINDER FOR REPEATEDLY SENSING THE MULTIPLE CHOICE POSITIONS ON THE PRIMARY CARD, DURING ROTATION OF THE CYLINDER MEANS PROVIDING A LINEAR PATH OF MOVEMENT FOR SECONDARY CARDS SUCCESSIVELY FED TO THE MACHINE MEANS ESTABLISHING A SENSING STATION, A MARKING STATION AND A PRINTING STATION ALONG SAID PATH, MEANS FOR IMPELLING THE SECONDARY CARDS ALONG SAID PATH IN ENDWISE FASHION IN TIMED RELATION TO THE ROTATION OF SAID CYLINDER, A SERIES OF DEVICES AT SAID SENSING STATION FOR SENSING THE MULTIPLE CHOICE POSITIONS ON SUCCESSIVE SECONDARY CARDS PASSING THROUGH SAID SENSING STATION, A SERIES OF MARKING DEVICES AT SAID MARKING STATION FOR MARKING THE MULTIPLE CHOICE POSITIONS ON SUCCESSIVE SECONDARY CARDS PASSING THROUGH THE MARKING STATION, A CUMULATIVE TOTALIZING PRINTING WHEEL AT THE PRINTING STATION FOR PRINTING A NUMERICAL DESIGNATION ON SUCCESSIVE SECONDARY CARDS PASSING THROUGH SAID PRINTING STATION, A CORRECT RESPONSE COUNTER, MEANS RESPONSIVE TO THE SENSING OF A PERFORATION IN A MULTIPLE CHOICE POSITION OF THE PRIMARY CARD ON THE CYLINDER FOR ACTUATING A CORRESPONDING MARKING DEVICE AT THE MARKING STATION, MEANS RESPONSIVE TO THE SIMULTANEOUS SENSING OF PERFORATIONS IN THE MULTIPLE CHOICE POSITIONS OF THE PRIMARY CARD ON THE CYLINDER AND A SECONDARY CARD AT THE SENSING STATION FOR ENERGIZING SAID COUNTER, MEANS OPERATIVELY CONNECTING THE PRINTING WHEEL AND COUNTER FOR ADVANCING THE PRINTING WHEEL UPON EACH ENERGIZATION OF THE COUNTER, AND MEANS OPERABLE IN TIMED RELATION WITH THE ROTATION OF SAID CYLINDER FOR EFFECTING RELATIVE MOVEMENT OF THE PRINTING WHEEL AND THE OPPOSED PORTION OF A SECONDARY CARD AT THE PRINTING STATION INTO PRINTING ENGAGEMENT.