Lot of 3 VintagePlastic Engineering Architect Scale Triangle Drafting Rulers 12"

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Vintage Vemco B-160 Architect's Scale Drafting 12" Ruler Aluminum? Triangular

Lot of 2 Vintage Dietzgen 11626 Architect Drafting Triangular Ruler 12" Wood

Vintage Architect Scale Drafting Triangular Ruler 12” Lot Of 2

Vintage VEMCO 32 ND 9S15 Aluminum Drafting Ruler Straightedge 12"

Vintage 12" Engineers Triangular 3 Side Ruler 835 Architect Drafting Tool

Vemco SP-26 Ruler