Pacific Arc Triangular Scale

Pacific Arc Triangular scales offered as both an architect's scale and an engineer''s scale.

An architect's scale is a specialized ruler designed to facilitate the drafting and measuring of architectural drawings, such as floor plans and orthographic projections.

An engineer's scale is a tool for measuring distances and transferring measurements at a fixed ratio of length. It is used in making engineering drawings, commonly called blueprints, blue lines or plans in a specific scale.