Image:Tusi couple.jpg

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[edit] Summary

Tusi couple - 13th century CE sketch by Nasir al-Din Tusi. Generates a linear motion as a sum of two circular motions. Invented for Tusi's planetary model.

Online source: Pearson Prentice Hall Companion Website for Astronomy Today

Original source: Library of Congress Vatican Exhibit (Vat. Arabic ms 319, fol. 28 verso)

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current09:10, 19 June 2006434×367 (45 KB)Konstable (Tusi couple - 13th century CE sketch by Nasir al-Din Tusi. Generates a linear motion as a sum of two circular motions. Invented for Tusi's planetary model. Category:Old astronomical prints)
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