SP

CALCULATING AND DRAFTING IMPLEMENTS-NAMELY, COMPASSES, DIVIDERS, PROTRACTORS, RULERS, DRAFTING SCALES, T-SQUARES, ADDING DEVICES AND SLIDE RULES

SCHOOL AND STATIONERY IMPLEMENTS AND NOVELTIES-NAMELY, CASES, SHARPENERS, KITS AND POUCHES FOR WRITING AND DRAWING IMPLEMENTS, WRITING AND DRAWING IMPLEMENTS SUCH AS PEN HOLDERS AND PENCILS, CALENDARS, ENVELOPE SEALERS AND OPENERS, FILE BOXES, MOISTENERS, AND SPRING CLIPS