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Cartographic equipment
Slide rules
Ruling pens
Drawing equipment, graphic design
Compasses, drawing
Dividers, drawing
Pantographs, drawing
Flexible curves, drawing
Stencils, drawing and lettering
Drawing instruments and apparatus
Writing and drawing boards, drawing office equipment
Components, drawing compass
Set squares, Tee-squares, protractors
Scales, technical drawing
Drawing instrument sets and half sets
Rulers, metal
Rulers, wooden
Rulers, plastic
Rulers, glass
Rulers, folding
Rulers, high precision
Rulers, millimetre graduated
Rulers, rolling
Straight-edges, parallel rules
Rulers and compasses, combined
Geometry sets
Lettering machines
Hatching instruments, drawing office
Vectorial calculation processors
Planimeters (integrators)
French curves
Measuring rods, centimetre graduated
Drawing office equipment
Mathematical instruments and apparatus
Telecommunications - services
