Vintage 1930s Propelling Pen Mechanical Drafting Pencil HB 154 Brass Hammered

Vintage 1930s Collectible Pen Mechanical Drafting Pencil HB 154 Brass Hammered Mechanical drafting pencil, vintage model. Purpose: Used for technical drawing, sketching, and precise line work with rulers and stencils. Features: Long, fixed lead sleeve for accuracy. Durable construction, often with a metal body and knurled grip. May have a lead hardness indicator. Operation: Utilizes a mechanical system to extend the lead, eliminating the need for sharpening. Lead Type: Accommodates 1.1mm leads Mechanical pencil, also known as a propelling pencil. It uses a mechanism to extend a replaceable graphite lead. Refillable: The lead can be refilled, making it a sustainable alternative to wood pencils. Great vintage condition - cleaned. Works well! Some wear from use.