VTG CONCISE CIRCULAR SLIDE RULE W/CASE & INSTRUCTIONS JAPAN NOS

Vintage Concise Circular Slide Rule Case Simmons Precision Nash Controls

Vintage Japan Concise Circular Slide Rule No. 28 With Case

Vtg Concise Circular Slide Rule #28 Japan FMC Corp with Case Very Good Condition

Concise ruler 28N English Version Circular slide rule made in Japan *US seller

Vintage Fullerton No.1450 Circular Slide Rule Calculator Japan w/ Case

Concise Circular Slide Rule 28N Original Case Japan Instruction Book NOS

Vintage Circular Concise No. 28N Slide Rule In Org Case Japan W Advertising