Model of a Hinged Octahedron, by Richard P. Baker, Baker #158 (Bricard Octahedron)
date: label: date made
content: ca 1906-1935
name: label: maker
content: Baker, Richard P.
notes: label: Description
content: Richard P. Baker made some models of surfaces that hadn’t been known for long. In 1897, the French engineer Raoul Bricard introduced new forms of octahedron. This is model illustrates what is now called a Bricard octahedron. The six triangular faces are hinged together along six edges. The figure consists of two pyramids constructed on the same quadrilateral base (in this case, the quadrilateral is a rectangle). The pyramids have their vertices on the same side of the quadrilateral. Only three faces of each pyramid are shown – the fourth faces intersect. A typed paper tag on the model reads: No.158 (/) Hinged Octahedron, I.
label: Description
content: References:
label: Description
content: Richard P. Baker, <I>Mathematical Models</I>, Iowa City, 1931, p. 22. The model is described in the section on links. There is a reference to Bricard’s 1897 paper.
label: Description
content: Peter Cromwell, <I>Polyhedra</I>, Cambridge: Cambridge University Press, 1997, pp. 239-240, 429.
label: Location
content: Currently not on view
place: label: place made
content: United States
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Science & Mathematics
creditLine: label: Credit Line
content: Gift of Frances E. Baker
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.211257.033
label: accession number
content: 211257
label: catalog number
content: 211257.033
objectType: label: Object Name
content: geometric model
physicalDescription: label: Physical Description
content: metal (overall material)
label: Physical Description
content: beige (overall color)
label: Physical Description
content: hinged and soldered. (overall production method/technique)
label: Measurements
content: average spatial: 11 cm x 18.8 cm x 8.6 cm; 4 11/32 in x 7 13/32 in x 3 3/8 in