Faber-Castell, Keuffel+Esser, Aristo, Nestler, Post Hemmi - Rekenliniaal - regolo calcolatore - rechenschieber (10) - Hout, plastica, metallo e vetro - Catawiki

Slide rules were used before the electronic calculator

Vintage Faber-castell 883/a 3 Side Ruler in Original Case Made in Germany

Faber Castell - Regolo calcolatore Faber Castell 52/82 D-Stab completo di custodia e istruzioni in tedesco - plastica - Catawiki

Official Website of Faber-Castell

Faber-Castell, Keuffel+Esser, Aristo, Nestler, Post Hemmi - Rekenliniaal - regolo calcolatore - rechenschieber (10) - Hout, plastica, metallo e vetro - Catawiki

Faber - Castell & Albert Nestler - Rekenlinialen voor berekeningen op hoog niveau met originele hoes - Geroplast , celluloid , mahoniehout , glas - Catawiki

Faber Castell Art & Graphic Limited Edition set 110052

Vintage A.W.Faber Castell 52/20 N - Pencil sharpener (1) - Catawiki

Graf von Faber-Castell - Guilloche Chevron - Mechanical pencil - Catawiki

Faber-Castell 2 mm/3.15 mm TK Lead Sharpener, Green : Artists Sharpening Tools : Office Products

Regolo Faber Castell - anni '50 - Antica Cartotecnica

Faber-Castell, Keuffel+Esser, Aristo, Nestler, Post Hemmi - Rekenliniaal - regolo calcolatore - rechenschieber (10) - Hout, plastica, metallo e vetro - Catawiki

Faber - Castell & Albert Nestler - Rekenlinialen voor berekeningen op hoog niveau met originele hoes - Geroplast , celluloid , mahoniehout , glas - Catawiki

This is an original antique brass Keuffel & Esser Co. surveyor's compass with original wood case. I am guessing this is the date that this compass was

KEUFFEL & ESSER Co. antique brass early 1900's surveyor's compass w/ wood box