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/calculator... How pinwheel calculators work:    • How Pinwheel Calculators Work   In Operation:    • Facit CA1-13 Electro-mechanical Calculator   Forum: https://www.eevblog.com/forum/blog/ee... Subscribe on Library: https://lbry.tv/@eevblog:7 EEVblog Web Site: http://www.eevblog.com The 2nd EEVblog Channel:    / eevblog2   EEVdiscover:    / eevdiscover   Support the EEVblog through Patreon!   / eevblog   AliExpress Affiliate: http://s.click.aliexpress.com/e/c2LRpe8g Buy anything through that link and Dave gets a commission at no cost to you. Donate With Bitcoin & Other Crypto Currencies! https://www.eevblog.com/crypto-currency/ T-Shirts: http://teespring.com/stores/eevblog #Teardown #Mechanical #Calculator