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

Faber Castell 57/87 Students Advanced Rietz Model Slide Rule Made In Austria

A.W. FABER CASTELL 57/87 RIETZ SLIDE RULE IN CASE

Vintage Faber Castell Rietz Slide Rule 57/87 in plastic case

Slide rule by Faber Castell Syst. Rietz 1/87 German Vintage Rule

Vintage Faber Castell 57/92 Slide Ruler in Original Box (1950s?)

Vintage Faber 57/87 Rietz (Cased)& Blundell Luton Type P.10 Astralon Slide Rules

Slide Ruler Vintage Faber Castell Model 57/87 plus Box,Case & Instructions 12"