Surface string model, 1872.

Made:
1872 in Paris
maker:
Fabre de Lagrange

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:
brass, lead, wood, string, complete
type:
surface model (string) surface model (string)
credit:
Fabre de Lagrange
status:
Permanent collection

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