Faber-Castell 67/91

Faber-Castell 67/91
Front

Back

Front without slide

Back of the slide

Pouch


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: 30-07-2007