Faber-Castell 1/22 Business slide-rule



Front without slide

Back of the slide


Length 30 cm
Number of scales 11
Country of origin UK
Country of manufacturing Germany
Year of manufacturing 1963
Status of the slide rule Minimal signs of use
Material of the slide rule Celluloid on wood
Status of the box Minimal signs of use
Status of the manual None
Collection number 120
Further comments This is an English version of the 1/22. It is interesting to look at the differences with my ohter 1/22.



 Last updated: 04-09-2009