Slide rules | Hidden in there is a Faber Castell 2/83N, Fabe… | Flickr
Faber Castell 2x Novo Duplex 2/83N and 2/82N slide rule in case 1970 Germany
Faber Castell | Product Categories | Sphere Research Corporation
A few of my favorite: Slide rules · brhfl.com
FC 2/83n/en
Faber-Castell 2/83N Novo-Duplex
Vintage Slide Rules / Regoli calcolatori / Las Reglas de Cálculo / 計算尺 - " FABER-CASTELL 2/83N slide rule is considered by some to be the fi nest and most beautiful slide rule
Faber Castell 2x Novo Duplex 2/83N and 2/82N slide rule in box 1970 Germany