MATERIALS AND SUPPLIES FOR SPIRIT AND HECTOGRAPH DUPLICATION-NAMELY, IMPRESSION PAPER, SPIRIT AND HECTOGRAPH PAPER MASTERS, SPIRIT AND HECTOGRAPH PAPER MASTER SETS INCLUDING A PAPER MASTER IN SIDE BY SIDE RELATION WITH A TRANSFER CARBON NOT HAVING A PROTECTIVE COATING, SPIRIT AND HECTOGRAPH MASTER SETS INCLUDING A PAPER MASTER UNDERLYING A PAPER TRANSFER CARBON WITH A PROTECTIVE COATING, AND CORRECTION PENCILS