EEVblog #1332 - Facit Mechanical Calculator!

Teardown (partial) of a Facit C1-13 13 digit mechanical calculator from 1967. John Wolff's mechanical calculator website: How pinwheel calculators work: In Operation: Forum: Subscribe on Library: @eevblog:7 EEVblog Web Site: The 2nd EEVblog Channel: EEVdiscover: Support the EEVblog through Patreon! AliExpress Affiliate: Buy anything through that link and Dave gets a commission at no cost to you. Donate With Bitcoin & Other Crypto Currencies! T-Shirts: #Teardown #Mechanical #Calculator Теги: eevblog,video,mechanical calculator,teardown,facit mechanical calculator,how it works,pinwheel calculator,calculator,1960s