Tri scale ruler - vintage hardwood, USA made – shopjunket

Wood and Scales in Used but good condition Edges still sharp and plastic case has no tears.

Vintage Triangular Wood Ruler Post, U.S. St'd Engineering Architectural in Case

Tri scale ruler - vintage hardwood, USA made – shopjunket

Vintage Scale Rulers

Oversize Vintage Wood Level — Jefferson West, Inc.

Before AutoCAD, these were essential. Now, they just remind us of simpler times -- and of skills we should probably know how to manage by hand in a

Tri scale ruler - vintage hardwood, USA made

Oversize Vintage Wood Level — Jefferson West, Inc.

Crafting Rulers – Nani Design

Spirit Levels and Squares – The Vintage Tool Shop, The Old Dairy, Carters Barn Farm, Piddlehinton, Dorchester DT2 7TH

Vintage Picket Triangular 3-sided Architect Ruler P-232 A, Vintage Drafting Tool, Geeky Gifts Vintage Mathematics Tool, Vintage Science Tool

Triangular Ruler In Collectible Drafting Tools for sale