EEVblog #1332 - Facit Mechanical Calculator!

Teardown (partial) of a Facit C1-13 13 digit mechanical calculator from 1967.

John Wolff's mechanical calculator website: http://www.johnwolff.id.au/calculators/Tech/FacitC1-13/C113.htm
How pinwheel calculators work: https://www.youtube.com/watch?v=YXMuJco8onQ
In Operation: https://www.youtube.com/watch?v=Bd3R9u2vuCo

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#Teardown #Mechanical #Calculator