Faber-Castell 67/91



Front without slide

Back of the slide


Length 15 cm
Number of scales 8
Country of origin Germany
Country of manufacturing Germany
Year of manufacturing 1957
Status of the slide rule Slightly damaged (small chip from top right corner)
Material of the slide rule Plastic
Type of cursor Clear Plastic
Status of the pouch Normal signs of use
Status of the manual None
Collection number 139
Further comments One of the most simple slide rules.

It was used as a business gift by Bauingenieur Bernhard Schmäing, Betonwaren- und Kunststeinfabrikation, Duisburg-Hamborn.



 Last updated: 04-09-2009