Plaster Surface Model by Alexander Crum Brown, c 1900.

Made:: c. 1900 in Edinburgh

maker:: Alexander Crum Brown

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Plaster model of the surface z = 3a(x2 - y2) - (x3 + y3). Alexander Crum Brown was both a mathematician and chemist. He was a prolific maker of mathematical models. In this example, every section made by a plane passing through the blue line forms an ellipse

Details

Category:: Mathematics

Object Number:: 1910-136

Materials:: complete, plaster, wood

type:: surface model (plaster) surface model (plaster)

credit:: Professor A. Crum-Brown

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