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Description
English: Tide predicting machine, by Sir William Thomson in 1876.

The accompanying plaque says: this, the first full sized machine for predicting tides, combined ten tidal components (one pulley for each componenet). It could trace the heights of the tides for one year in about four hours.

See-also http://www.bartleby.com/30/16.html, esp. figure 132.

Location: Science Museum, London.
Date upload on 20:53, February 19, 2005
Source en:Image:DSCN1739-thomson-tide-machine.jpg
Author William M. Connolley
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Kelvin's harmonic analyser

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