Vintage A.W.Faber Castell 3 Sided 873c/Z4 Engineering Ruler & Case

Vintage A W Faber 'Castell" Scale Ruler in case

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

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

Vintage A W Faber Castell 883-Z2 Triangle Ruler With Clear Case Made in Germany

VINTAGE CIRCA 1960 A.W.FABER-CASTELL RULER WITH ORIGINAL CASE MODEL 873c/Z5

Vintage A W Faber Castell 2722 Ordnance Scale Rule in Original Case. (GAR)

Vintage A.W.FABER "Castell" Wooden Ruler 1/87 Syst. Rietz