Faber-Castell 1/91/391



Front without slide
Back of the slide

Bottom of the slide rule


Length 29 cm
Number of scales 9
Country of origin Germany
Country of manufacturing Germany
Year of manufacturing 1939
Status of the slide rule Near mint
Material of the slide rule Celluloid on wood
Type of cursor Glass with metal
Status of the box Normal signs of use
Type of box Black cardboard
Status of the manual  
Collection number 205
Further comments On the box is a sticker from the dealer that sold the slide rule: "Juergens Berlin, Alexanderplatz". Same dealer that sold my 11/60. In pencil there is written also "7.20"; perhaps the original selling price in Deutsch Marks.


 Last updated: 04-09-2009