Faber Castell 62/83 Novo-Duplex slide rule complete set 1960 Germany

As a full set comes this pocket slide rule by Faber Castell, the model 62/83 pre-N version. In the 1960’s these were amongst the best slide rules by Faber Castell. The slide rules come in the original signed outer box (box is complete with storage signs and 2 small flap pieces missing), original green signed leather sleeve and with manual in German. The rule, sleeve, manual and outer box are all in good condition with some signs of normal use and some aging (yellowing between the lines) Prices accordingly. The box measures ca. 22 cm or 8 3/4 inches long. Check the attached video on how to work your vintage man tool: slide rule operation instructions!