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Collection:
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Reuleaux Kinematic Mechanisms Collection
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Name of Model:
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Curved Triangle in a Square
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Voigt Catalog Model Number:
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B2
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Category Type:
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Higher Element Pairs
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Model Designer:
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Franz Reuleaux
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Model Manufacturer:
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Gustav Voigt, Berlin, 1882
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Description:
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Some mathematicians have called this constant breadth curved triangle the 'Reuleaux triangle'. This area can rotate between two parallel surfaces while maintaining contact or rotate in a square (B2), or rhombus shaped bearing without losing contact Applications of this principle can be found in the positive return cams of models L1-L6. Variations of the constant breadth triangle based on a odd sided polygon of equal sided can be found in Reuleaux's book. The seven sided British 20p and 50p coins are applications of this principle. They can roll in a coin machine as if they were circular yet have a distinctive shape between one's fingers. (F.Moon, 2001)
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Publisher:
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Cornell University Library
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Relation:
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F. Reuleaux, Kinematics of Machinery, 1876, p.116, Art.22.
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Keyword:
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Reuleaux Triangle Curve of Constant Width
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Reproducton ID:
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B2
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Copyright:
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Jon Reis Photography grants Cornell University Libraries and the Cornell College of Engineering the rights to display copyrighted images of the Reuleux collection of kinetic machines on the Cornell University and National Science Digital Library web sites and for unlimited use in Cornell University Library publications for education purposes only. Rights for all other uses such as editorial, advertising, web use and display by third parties not affiliated with Cornell University are reserved by the photographer.
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Credits:
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Photography credit: Jon Reis/www.jonreis.com
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Image ID:
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103
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Resolution Size:
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5
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Format:
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SID
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Media Type:
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Image
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File Name:
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B02.sid
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Width:
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2055
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Height:
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3072
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