(30cm) Rolling Slide Rule Drawing Roller Ruler Parallel Ruler Drawing Ruler Kit

Protractor for angles and arcs. - Magnifier for inspection. - Holes that let you draw vertical lines. Due to the difference between different

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Midori Compact CL Multi Ruler 30cm Blue (42239006)

National Museum of American History

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30cm Multi-purpose Angle Parallel Scroll Rolling Ruler Art Design Architect Drafting Drawing Measuring Balance Scale Template

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VINTAGE PARALLEL ROLLING Ruler in Box*Architect Engineer Drawing Mechanical Art* $5.50 - PicClick

Portable Parallel Roll Ruler Foot Angle Rule Rolling Rulers for Students

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