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Title: Plaster model of the surface 2xyz=x squared -y squared-z squ [Go to resource]
Description: Plaster model of the surface 2xyz=x squared -y squared-z squared +1=0 according to Prof Allardice, c.1891. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: surface model (plaster) Temporal: c.1891 Source: Science Museum Identifier: 2006-68 Go to resource More Like this...
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