Model of a Complex Determined from Five Lines by Ruler Only, by Richard P. Baker, Baker #236
date: label: date made
content: ca 1906-1935
name: label: maker
content: Baker, Richard P.
label: maker
content: Baker, Richard P.
notes: label: Description
content: This model was made by Richard P. Baker in the early twentieth century when he was on the faculty in mathematics at the University of Iowa. It consists of twelve intersecting wire line segments. Six segments are painted black, one green), three red, and two silver. A typed paper tag taped so that it goes around one edge reads: No. 236 (/) Complex from five lines.
label: Description
content: Baker classified the model among those he designed to illustrate theorems in projective geometry, specifically "a complex determined from five lines by ruler only."
label: Description
content: This example of the model was displayed at MIT from 1939, before its donation to the Smithsonian in 1956.
label: Description
content: References:
label: Description
content: Baker, R.P., <I>Mathematical Models</I>, Iowa City, 1931, p. 14.
label: Description
content: Accession file 211257.
label: Location
content: Currently not on view
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.211257.042
label: accession number
content: 211257
label: catalog number
content: 211257.042
objectType: label: Object Name
content: geometric model
physicalDescription: label: Physical Description
content: metal (overall material)
label: Physical Description
content: red (overall color)
label: Physical Description
content: green (overall color)
label: Physical Description
content: yellow (overall color)
label: Physical Description
content: purple (overall color)
label: Physical Description
content: soldered (overall production method/technique)
label: Measurements
content: average spatial: 8.6 cm x 21.1 cm x 16.9 cm; 3 3/8 in x 8 5/16 in x 6 21/32 in