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

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

Vintage PIC Slide Rule 1960s In Original Box.

VINTAGE FABER-CASTELL 1/87 RIETZ SLIDE RULE

A W Faber Castell Vintage Slide Rule & Case 1957 Made In Germany - 1/92 Log-Log

Vintage Staedtler Mars 544A Slide Rule with Case