Vintage Architect Wood Triangle Scale Ruler U.S. ST'D Drafting Measurements Tool

Vtg U.S. ST'D Wood Drafting Ruler Triangle 3-Sided Vintage 12" Dietzger

VINTAGE-ALVIN ENGINE DIVIDED-No 267-2 SIDED RULER-U.S. ST’D-W.GERMANY Boxwood

3-Sided Wood Ruler with Case, Vintage - U.S.ST'D - Engineer, Architect, Drafting

Vtg U.S. ST'D Wood Drafting Ruler Triangle 3-Sided Vintage Measuring 12" L #1727

Vintage Brodhead-Garrett & Boxwood Architect Drafting triangle Ruler

Vintage Set 2 TRIANGLE Boxwood Pearwood Engineer Ruler W Germany ALVIN, USST’D

Vintage U.S. ST'D Wood Drafting Triangle 3-Sided Ruler Measuring 12" Long