Vemco 9P-1 12" (12.5") Drafting Machine Scale Ruler

Vintage Universal Drafting 13" And 7" Machine Scale Ruler

2- Vemco Drafting Machine Scales 9P 15 12" + 18" Appear Unused in Open Boxes

Engineering - Vintage - VEMCO 9P-14 Drafting Machine 12" Scale Ruler

Keuffel & Esser K&E 9" 1378T-22 Drafting Machine Scale Ruler Full & Half In Size

Vintage Vemco Graded 12" Aluminum Drafting Machine Scale Ruler

VEMCO 3300 18" Detailer Drafting Machine

K&E Keuffel & Esser Drafting Machine Scale 60 0718 Style 20 Clear 18" W. Germany