Faber-Castell 51/91/309 Schulrechenstab



Front without slide

Back of the slide


Length 30cm
Number of scales 9
Country of origin Germany
Country of manufacturing Germany
Year of manufacturing 137 & 1938
Status of the slide rule Near mint
Material of the slide rule Celluloid on wood
Type of cursor Celluloid
Status of the box Normal signs of use
Status of the manual None
Collection number 148 & 194
Further comments Two identical specimens. The only difference is that the box of the number 194 is 3 mm wider than the other box!



 Last updated: 04-09-2009