Vintage 1960s Ricoh Slide Rule #105 In Original Case Made In Japan In Box

Vintage A.W. Faber “Castell” Slide Rule Model 360 PAT. No 206428 made in Bavaria

Faber Castell Ruler No 57/87 Vintage School Slide Rule for Draughing Drawing

Rare Antique 13.5" Boxwood FARMAR"S Royal Letters Patent PUBLICANS SLIDE RULE

Vintage German 1960s ARISTO 0971 Hyperbolog Engineers Slide Rule Case Manual Box

Sun Hemmi Slide Rule NO. 256 db Neper DF - Made In Japan - Rare - Good Condition

Antique AW Faber Improved Calculating Rule Slide Rule With Case And Instructions

Halden Calculex Circular Slide Rule With Instruction Book And Case