Vintage Drafting Ruling Pen / Drafting Tool w/ Spare Head / Top

Vintage Dietzgen Germany Ruling Pen

Vintage Ruling Pen - Drafting Engineering Tool Made in Germany

Vintage Ruling Pen

Vintage Machinist & Drafting Tools Lot – Calipers Dividers Compass Pen Case

Alvin Co Germany Ruling Pen #757 Drafting Drawing instrument tool

Vtg Keuffel & Esser Ruling Pen Paragon 5.5” Drafting Art Tool #8, Slight Damage

Vintage K&E Co. Ruling Pen with Ebony Handle