In this video we look at the Facit NTK Mechanical Calculator from 1957!

Also, see the follow up video here:    • Facit NTK Mechanical Calculator: Divi...  

Facit Model NTK, S/N 485843, 1957
Digits: 9 keyboard, 8 counter, 13 accumulator
Dimensions: 220W x 200D x 150H, overall width 300mm
Weight: 6.3 kg
Dalton keyboard, green die-cast cover
Manufactured: Atvidaberg-Facit, Sweden, 1954-1957

John Wolff's excellent website: http://www.johnwolff.id.au/calculator...

User manual (PDF): https://mechanicalcalculators.files.w...

Patreon link:   / nfm