Fullerton 3725 Triangular Scale Ruler Made in Germany Architect Drafting

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Rapid Rule - 6” Drafting / Architecture - Adjustable Rotating Ruler

Vintage Dietzgen 1656 BP Triangular Scale Ruler Architecture Drafting

Drafting Tools and Ruler Shapes for Architecture - Set of 3 for House Plan Furni

Pickett P-232A Architectural Scale Ruler - For Hand Drafting - White

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Precision Drafting Ruler Set – 12 Inch Metric & Imperial Scales in 3 Pack