Vtg Keuffel & Esser Co. "Neptune" cased set drafting mechanical drawing tools

Drafting Tool Set with Compasses and Dividers in Black Case

Vintage K&E Co. Ruling Pen with Ebony Handle

Vintage IBM Flowcharting Templates

VINTAGE LOT USA ARCHITECT DRAFTING COMPASSES SLIDECOMP VEMCO UNBRANDED VGC

Vintage Schoenner Germany Drafting Tool Set Pat 1905 Mechanical Engineering Case

Vintage Dietzgen Commander Drafting Instruments Drawing Tool Set with Case

3 VINTAGE RULING PENS SCHNEIDEN GERMANY WOODEN HANDLE DRAFTING, DRAWING