Ross Solid, Frustrum of a Square Pyramid, Possibly Part of a Dissected Model of a Pyramid


This is one of a series of models illustrating the volume of solids designed by William Wallace Ross, a school superintendent and mathematics teacher in Fremont, Ohio. The hollow metal model is of has four trapezoids as sides, with a square base and a square top. It has no labels.

It may be intended as the frustum of the square pyramid represented by model with 1985.0112.213. If so, it would be part of Ross Solid #10.

For Ross solids, see 1985.0112.205 through 2012.0112.217. For further information about Ross models, including references, see 1985.0112.190.

Date Made: ca 1895

Location: Currently not on view

Place Made: United States: Ohio, Fremont

Subject: Mathematics


See more items in: Medicine and Science: Mathematics, Science & Mathematics


Exhibition Location:

Credit Line: Gift of Wesleyan University

Data Source: National Museum of American History

Id Number: 1985.0112.214Catalog Number: 1985.0112.214Accession Number: 1985.0112

Object Name: Geometric Modelgeometric model

Physical Description: metal (overall material)Measurements: overall: 15 cm x 10 cm x 10 cm; 5 29/32 in x 3 15/16 in x 3 15/16 in


Record Id: nmah_694091

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