This is a complex Faber Castell Mathema 2/84 slide rule in it’s original sleeve from ca. 1950. It has an unusual design and large cursor. Everything is in good and complete condition. It measures 30 cm or 12 inches. Check the attached video on how to work your vintage man tool : slide rule operation instructions!
Faber Castell 2/84 Mathema slide rule 1950 Germany
Faber Castell 2/84 Mathema slide rule made ca. 1950 in Germany
Out of stock