Vintage Keuffel & Esser NY 3 Sided Wood Drafting Rulers LOT of 2

Vintage DIETZGEN USA Wooden Engineering Drafting Triangular Rulers ~ Lot of 2

(2) Dietzgen Excello Drafting Ruler 1590 Vintage 12" Length USA Made 1590, 1593D

Vintage Eugene Dietzgen Co. 1626 Triangular Divided Architect's Scale Ruler

Vintage Dietzgen Drafting Engineering Triangle Ruler

Lot of assorted drafting tools. See images.

LOT OF 2 VINTAGE ARCHITECTS SCALE 12" DRAFTING TRIANGLE RULERS, LUTZ & DIETZGEN

Vintage Lot 2 Bruning Pocket Drafting Scale Ruler 6" & Dietzgen 5" Sliding Rule