Equameter Review / HowTo
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8:26
The Gerber Derivimeter, a derivative measuring tool from the 1950s
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10:23
The Mechanical Integrator - a machine that does calculus
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7:21
The Midget Calculator Review / HowTo
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5:38
Chris Staecker - Gerber's Great Graphical Gizmos - G4G14 Apr 2022
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13:13
The Curta Calculator: A Mechanical Marvel Explained | Part 1
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24:26
The Beauty of Bézier Curves
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10:41
Tempscribe winding thermometer Review / HowTo
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9:15