Faber-Castell 20/68 Parafix



Front of pouch

Back of pouch

Length 28cm
Number of scales 19
Country of origin Australia
Country of manufacturing Germany
Year of manufacturing 1957
Status of the slide rule Normal signs of use
Material of the slide rule Plastic
Type of cursor Clear plastic
Status of the box Slight damage
Collection number 167
Further comments A slide rule like calculator for conversions between American, English and metric weights and measuring units.



 Last updated: 04-09-2009