Bidspirit auction | Vintage Mechanical Drawing Instruments

Vintage Mechanical Drawing Instruments - Included in the lot are C. 1926 WRICD lettering Guides, Wood-Regan Instrument Co.; KOH-I-Noor Pencil Factory Case with assorted drawing pencils; The Mascot Slide Rul and Manual; 3 Wooden Drafing Triangles, Keuffel & Esser Co.