Vintage Dietzgen 1556p Ruler With Case 6.75" Engineering Drafting

VINTAGE DIETZGEN SIGNED WOODEN TRIANGLE RULER DRAFTING ENGINEERING US STANDARD

Eugene Dietzgen Co. Triangle Wooden Vintage Drafting Ruler.

VTG DIETZGEN 1526 EXCELLO DRAFTING ENGINEERING RULER W/CASE IN GOOD COND

Vintage Dietzgen 1556p Ruler With Case 6.75" Engineering Drafting

vintage triangle Ruler: DIETZGEN 1626 some wear

Wood Dietzgen Triangle Ruler Scale USA Drafting Tool Measure

Vintage Dietzgen 1526 Ruler w/ Case 6 1/2" Engineering Drafting