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

Faber Castell Art & Graphic Limited Edition set 110052

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

Faber-Castell, Keuffel+Esser, Aristo, Nestler, Post Hemmi - Rekenliniaal - rekenliniaal - rechenschieber (10) - Hout, kunststof, metaal en glas - Catawiki

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

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

Official Website of Faber-Castell

Desk set with platinium-plated Perfect Pencil brown

Charpentier Calculimetre Keuffel & Esser

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

Faber Castell – Rimsory

Official Website of Faber-Castell