Manufactures nonlaboratory scales & balances; scale repair service Scales, Drafting papers, Curves, Protractors, T squares, Templates, Triangles, Drafting kits or sets, Drafting dots or tapes, Work surface protection covers, Drafting table covers, Drafting supplies, Stencils or lettering aids, Drafting films, Compasses, Laboratory and Measuring and Observing and Testing Equipment