Wooden ruler – General Shale Shop

General Shale Shop

Apparel – General Shale Shop

General Shale – Daniel Brick

Antique Keuffel & Esser Beginner's Wooden Slide Rule 4058C W

Antique Keuffel & Esser Beginner's Wooden Slide Rule 4058C W

Universal Flat Wood Ruler, Standard/Metric, 6 Long

Apparel – General Shale Shop

Brick, Product Types

Vintage 1940s Keuffer & Esser Co NY slide ruler leather case 13

QTY 1 12 Long Wood Ruler, Measuring Tool, School Ruler, Teacher

Generalshale Site

14 x 24 inch LUFKIN No. 8232 Boxwood & Brass Tailor's Square MINT

Generalshale Site

Wexford Wooden Ruler