Model for Descriptive Geometry by A. Jullien - Representation of a Pyramid
date: label: date made
content: ca 1880
name: label: maker
content: Jullien, A.
notes: label: Description
content: Three points, a, b, and c on the horizontal plane make the triangular base of the pyramid. Point (s, s’) at the bend in the wire will be the apex. The three black strings represent the three remaining edges of the pyramid. Notice that the apex is not above the base. The various projections after rotation to the horizontal plane allow the lengths of the sides to be found. The height of the pyramid is segment sS<sub>3</sub>.
label: Description
content: For more details, see COLL.1986.0885 and 1986.0885.01.01.
label: Location
content: Currently not on view
place: label: place made
content: France: Île-de-France, Paris
topic: label: Subject
content: descriptive geometry
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Science & Mathematics
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content: Jullien Geometric Models
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1986.0885.01.30
label: catalog number
content: 1986.0885.01.30
label: accession number
content: 1986.0885
objectType: label: Object Name
content: geometric model
physicalDescription: label: Physical Description
content: paper (overall material)
label: Physical Description
content: metal (overall material)
label: Measurements
content: overall: 6.5 cm x 7.5 cm x 6.5 cm; 2 9/16 in x 2 15/16 in x 2 9/16 in