Antique Keuffel & Esser Paragon Protractor Drafting Engineering Tool For Sale

The Antique Keuffel & Esser Paragon Protractor is a highly sought-after drafting engineering tool made in the United States by the renowned brand KEUFFEL & ESSER. This precision instrument was used for creating accurate and detailed drawings in various engineering and drafting applications. It holds historical value as a vintage piece from the early 20th century, making it a valuable collectible item for enthusiasts of antique drafting tools and engineering memorabilia.