Bonus: Watch the machine spin around over and over...

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Genre: Science & Technology

License: Creative Commons Attribution license (reuse allowed)

Family friendly? Yes

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Shared November 13, 2014

► Get the FREE PDF here:
► Buy the book on Amazon:
► Buy the posters on Zazzle:

► Main videos in the series:
(1/4) Introduction:
(2/4) Synthesis:
(3/4) Analysis:
(4/4) Operation:

► Bonus videos:
Books and Posters:
Rocker arms:

This series on Albert Michelson’s Harmonic Analyzer celebrates a nineteenth century mechanical computer that performed Fourier analysis by using gears, springs and levers to calculate with sines and cosines—an astonishing feat in an age before electronic computers. Check out the series companion book and learn how to get a free PDF of the entire book at