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Newton disk
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Structure of mechanism
Function This is a disc on which sections corresponding to the white light spectrum have been painted. The area of each colour is proportional to the fraction of the spectrum which it represents. The disc rests on a rotating stand whose base is a metal tripod. When the disc is turned rapidly, it appears to be white.
Dimension of mechanism planar
Drive movement Rotation
Output movement Rotation
 

Application
Examples of application The Newton disc enables white light to be recomposed from its constituent coloured elements. The phenomenon operates thanks to retinal persistence (superimposition of images). The device was used by future teachers during their practical classes at the men’s and women’s teacher training colleges of Aurillac (Cantal), now the IUFM (University Teacher Training Institute).
 
Permanent links
DMG-Lib FaviconDMG-Lib https://www.dmg-lib.org/dmglib/handler?mcdsc=2917025
Europeana FaviconEuropeana  http://www.europeana.eu/portal/record/2020801/dmglib_handler_mcdsc_2917025.html
Data provider
IFMIFMA  http://www.ifma.fr
PtcPATSTEC  http://www.patstec.fr
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