Boise Cascade Ruler, Pen and Slide Rule plus Weyerhaeuser Lot 80's 90's

Vintage Ruling Pen Precision Drawstring Instruments

Vintage Drafting Ruling Pen Adjustable Ink Line Drawing Tool 5.5”

K & E PARAGON 453R DROP SPRING BOW PEN

Vintage Mosa Precision Drafting Drawing Instrument Tool Set Engineering Case

Vintage Dietzgen Ruling Pen Drafting Tool 5” Made in Germany Engineer Art Draft

Vintage Tower Germany Drafting Compass Set Sears 608.50860 Drawing Tools In Box

Vintage Mechanical Drafting/Drawing Tool Set w/ Hard Case Original Starck