Faber-Castell 57/74 System Schirdewan



Front without slide

Back of the slide

Length 29,5 cm
Number of scales 11
Country of origin Germany
Country of manufacturing Germany
Year of manufacturing 1967
Status of the slide rule Mint
Material of the slide rule Plastic
Type of cursor Clear plastic, double width.
Status of the box Normal signs of use
Type of box Clear plastic
Status of the manual None
Collection number 129
Further comments This is a very rare specimen of one of the several special purpose slide rules of Faber-Castell. The System Schirdewan slide rules were used in the textile industry. The manual can be found on the back of the slide rule.

Very special is the double width cursor.




 Last updated: 04-09-2009