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 and wood
type:
surface model (plaster) and surface model (plaster) and
credit:
Professor A. Crum-Brown