Lot of 3 vintage engineering drafting sets, two from Keuffel & Esser Co. Kern +

VINTAGE BRUNING 18" METAL DRAFTING RULER drafting rule ASTRONAUTICS QP-1069

Vtg K&E Co MINUSA W Drafting Divider Tool Keuffel & Esser USA Engineer Architect

Keuffel & Esser K+E Flexible Curve Rule Clear Edge 18” Drafting Instrument

K&E Keuffel & Esser Leroy Lettering Templates Drafting Tools Pen Ruler Lot

Vintage KEUFFEL + ESSER "Paragon" Proportional Divider Mechanical Drafting Tool

Keuffel Esser Co Drafting Ruler Set Vintage Boxwood

Vintage Keuffel & Esser Co 18 Inch Drafting Paragon Ruler In The Box 60 0518-23