Student test sheets

Claim 1

A TEST ANSWER SHEET ADAPTED FOR ELECTROMECHANICALLY SCORING WHICH COMPRISES A GENERALLY RECTANGULAR SHEET OF PAPER HAVING A PLURALITY OF TEST ANSWER SPACES DEFINED BY PRINTED MARKINGS ON SAID SHEET, SAID SPACES BEING ARRANGED IN ROWS AND COLUMNS AND HAVING A PREDETERMINED ACCURATE SPACED APART RELATIONSHIP; A PRIMARY REGISTRY SLOT ADAPTED TO RECEIVE A CYLINDRICAL PIN OF APPRECIABLY SMALLER CROSS-SECTIONAL AREA THAN THE AREA OF SAID PRIMARY SLOT, AND A SECONDARY REGISTRY SLOT ADAPTED TO RECEIVE A RECTANGULAR PIN OF APPRECIABLY SMALLER CROSS-SECTIONAL AREA THAN THE AREA OF SAID SECONDARY SLOT, SAID SLOTS BEING POSITIONED IMMEDIATELY ADJACENT TO ONE END OF SAID SHEET, AT OPPOSITE CORNERS THEREOF, THE PRIMARY SLOT BEING OF A GENERALLY TRIANGULAR CONFIGURATION WITH SIDE WALLS TAPERING TO A ROUNDED APEX PORTION TOWARDS SAID END OF SAID SHEET AND ADAPTED THEREAT TO SNUGLY RECEIVE AND SEAT SAID CYLINDRICAL PIN, SAID TAPERED SIDE WALLS OF THE PRIMARY SLOT ACTING AS SHEET GUIDE SURFACES, SAID SECONDARY SLOT BEING OF A GENERALLY RECTANGULAR CONFIGURATION WHEREIN THE WALLS ARE DISPOSED GENERALLY PARALLEL TO THE EDGES OF THE SHEET AND TO THE SIDES OF SAID RECTANGULAR PIN, SAID SLOTS AND ANSWER SPACES BEING SPACED RELATIVE TO A FIRST BASE LINE WHICH JOINS ONE WALL OF THE SECONDARYT SLOT TO THE ROUNDED APEX PORTION OF THE PRIMARY SLOT AND TO A SECOND BASE LINE BISECTING THE ROUNDED APEX PORTION OF THE FIRST SLOT AND PERPENDICULAR TO THE FIRST BASE LINE IN A PARALLEL RELATIONSHIP TO SAID COLUMNS, WHEREBY EACH SUCH SHEET UPON BEING PLACED WITHIN A TEST SCORING MACHINE MAY BE GUIDED BY THE SLOTS INTO REPRODUCIBLY ACCURATE REGISTRATION OF THE TEST ANSWER SPACES THEREON TO THE SCORING MECHANISM OF THE MACHINE.