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More information on the Wikipedia page [https://en.wikipedia.org/wiki/Volvelle]. |
More information on the Wikipedia page [https://en.wikipedia.org/wiki/Volvelle]. |
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| + | An article on how to create a volvelle [https://www.tes.com/teaching-resource/how-to-make-a-volvelle-11616671]. |
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See also [[Slide chart]] |
See also [[Slide chart]] |
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Revision as of 10:31, 10 November 2017
A volvelle or wheel chart is a type of slide chart, a paper construction with rotating parts. It is considered an early example of a paper analog computer. Volvelles have been produced to accommodate organization and calculation in many diverse subjects. Early examples of volvelles are found in the pages of astronomy books. They can be traced back to "certain Arabic treatises on humoral medicine" and to the Persian astronomer, Abu Rayhan Biruni (c. 1000), who made important contributions to the development of the volvelle.
More information on the Wikipedia page [1].
An article on how to create a volvelle [2].
See also Slide chart