The Contex 10 mechanical calculator
13:28
The Facit CA1-13 fully automatic mechanical calculator
18:48
1920 Comptometer Mechanical Calculator
20:50
Mechanical calculator, Johann Jakob Sauter. Video curtesy of Gotesborg Stadsmuseum. IMPROVED AUDIO
15:20
The Odhner LuSiD, a strange pinwheel calculator for British currency
21:01
Watch Trudeau speak directly to Trump during blistering speech
17:45
Facit NTK Mechanical Calculator, 1957
6:41
Odhner's Arithmometer mechanical calculator
7:21