Vintage Sun Hemmi Bamboo Slide Rule No 130 System Darmstadt Original Box

Blundell (BRL) Tarrant Hydraulic Flow slide rule, UNUSED & based on Academy 306

Àristo Slide Rule number 0968 - with holder

Vintage Sun Hemmi Slide Rule - NO.P280

VINTAGE SUN HEMMI JAPAN STUDENT SLIDE RULE Number 40RK

Cooke Troughton & Simms Engineering Slide Rule Vintage Collectable

ARISTO Nr 914 Vintage Slide Rule Dennert & Pape, Altona, Germany 1930s - 40s

Curta Type II Calculator Leather field case in nr mint condition