Divide by Zero on the Friden STW10 Mechanical Calculator
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The Friden STW-10 Calculator Plays The Friden March
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Pocket Mechanical Calculator - Addiator/Addifix
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Mechanical calculator in action
17:57
EEVblog #1159 - World's Most Precise Pocket Calculator
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This is what happens when you divide by zero on a 1940s water computer
13:40
Friden STW 10 Mechanical Calculator Demo
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Using a 1930 Teletype as a Linux Terminal
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