Roll-O-Ruler Rolling Drafting Ruler 12in Wei's CP-405

Vintage WEI'S Brass Roll-O-Ruler Sliding Measuring Tool for Drafting NO Box

Vintage WEI'S Brass Roll-O-Ruler in Original opened Box

Roll-O-Ruler Rolling Drafting Ruler 12 in Wei's CP-405

Vintage Wei's 12 Inch Roll-O-Ruler Rolling Drafting Ruler No. CP-405 New Model

ROLL-O-RULER by WEI’S 12 INCH DRAFTING RULER MODEL CP-405

vintage kern drafting tool

Vintage WEI'S Brass Roll-O-Ruler in Original Box