Hemmi Sun Japan Slide Rule 341 3526 w/ Case

Vintage Hemmi Sun Japan slide rule model 341 / 3526 with original case. Classic engineering and drafting tool, collectible for math, geotec, and technical history enthusiasts. Condition: Pre-owned. Case shows wear/damage. Slide rule itself shows typical vintage wear. See all photos for details. Features: Hemmi Sun Japan model 341 / 3526 Original case Engineering / math / drafting tool Collectible Japanese slide rule Ideal for display, study, or restoration Tags: vintage math tool, slide rule, engineering, drafting, collector Japan, retro tech, mid-century tool, geotec Additional Notes: Color may vary due to lighting. Item is vintage and may show age-related wear. Cleaned and stored per platform policies. Smoke-free environment.