Surface string model, 1872.

Made:
1872 in Paris
maker:
Fabre de Lagrange
Model exhibiting the transformation, first Model exhibiting the transformation, first

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Model exhibiting the transformation, first
Science Museum Group
© The Board of Trustees of the Science Museum

Model exhibiting the transformation, first
Science Museum Group
© The Board of Trustees of the Science Museum

Model exhibiting the transformation, first, of a conoid into a cylinder, second, of the tangent paraboloid of the conoid, into the tangent plane of the cylinder

Model exhibiting the transormation, first of a conoid into a cylinder, secondof the tangent paraboloid of the conoid, into the tangent plane of the cylinder.This is one of a large set of ruled surface models made by Fabre de Lagrange, following designs introduced in the early 19th century. They illustrate surfaces which can be traced out in space by the movement of a straight line.

Details

Category:
Mathematics
Object Number:
1872-116
Materials:
complete, brass (copper, zinc alloy), lead (metal), wood (unidentified) and string
type:
surface model (string)
credit:
Fabre de Lagrange