I Am The Computer Now - Friden STW10 Mechanical Calculator

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Mechanical Calculator approximating Pi | Friden STW-10

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Friden STW-10 Plays the Friden March

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Friden C10 Calculator - 1935

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Restoring a 1956 Friden STW 10 Mechanical Calculator

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My 1956 STW-10 Friden Calculator

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Friden SRQ - First Mechanical Calculator with Automatic Square and Square Root

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The Mechanical Integrator - a machine that does calculus

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Mechanical calculator in action

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MonroMatic 8N213 Electromechanical Calculator

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Explaining the Friden Mechanical Calculator (while fixing it)

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EEVblog #1332 - Facit Mechanical Calculator!

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A collection of 343 old typewriters, calculators, mimeographs from 1780 to 2000s years

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Inside a mechanical calculator

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A century of sounds of 20 different calculators from 1897 to nowadays, from mechanical to electronic

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Square Root on a Friden STW10

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Friden SRQ Automatic Square Root Demo

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Friden STW 10 Mechanical Calculator Demo

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Friden STW10 Can It be Saved Part 1

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Divide by Zero on the Friden STW10 Mechanical Calculator

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My 1957 Friden Mechanical Calculator goes on Japanese TV

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The Friden STW-10 Calculator Plays The Friden March

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What happens when you divide by zero on a mechanical calculator?

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Work in progress - Friden ST10 - now working

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Friden STW-10 - The Carriage

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Friden STW-8 Extended Techniques

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Intro to the Friden STW-8

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Random Calculation on a Friden STW10

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