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Training films for mechanical computers. Let's do trigonometry and calculus with gears and ball bearings! http://www.youtube.com/watch?v=_8aH-M3PzM0
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# ¿ Sep 14, 2010 05:57 |
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# ¿ Jun 3, 2024 05:38 |
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Training films for mechanical computers. Let's do trigonometry and calculus with gears and ball bearings! http://www.youtube.com/watch?v=_8aH-M3PzM0
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# ¿ Sep 14, 2010 05:57 |
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# ¿ Jun 3, 2024 05:38 |