Faber-Castell 51/22 Schulrechenstab


Front without slide

Back of the slide


Length 30 cm
Number of scales 8
Country of origin Germany
Country of manufacturing Germany
Year of manufacturing Most likely 1920-ies to 1930-ies
Status of the slide rule Normals signs of use
Material of the slide rule Celluloid on wood
Type of cursor Celluloid
Status of the box Normals signs of use
Status of the manual None
Collection number 183
Further comments Like many School slide rules, thisone also doesn't have a date of manufacturing. 



 Last updated: 04-09-2009