Geometric Model, L. Brill No. 135. Ser. 5 No. 15, Surface of Rotation of Constant Negative Curvature
date: label: date made
content: 1892
name: label: maker
content: L. Brill
notes: label: Description
content: This plaster model shows a helicoid of constant negative curvature. It has a round base, spiral sides, and a flat top.
label: Description
content: A paper tag reads: 135. Another paper tag reads: Schrauben fl. Const. negat. Krűmmg. (/) Verl. V. L. Brill 5 Ser. Nr. XV.
label: Description
content: This example was exhibited at the Columbian Exposition, a world’s fair held in Chicago in 1893.
label: Description
content: References:
label: Description
content: L. Brill, <I>Catalog mathematischer Modelle. . .</I>, Darmstadt: L. Brill,1892, p.11, 81.
label: Description
content: Fischer, Gerd, ed., <I>Mathematical Models</I>, vol. 1, Braunschweig / Wiesbaden: Vieweg, 1986, p. 81.
label: Description
content: Fischer, Gerd, ed., <I>Mathematical Models</I>, vol. 2, Braunschweig / Wiesbaden: Vieweg, 1986, pp. 33-37.
label: Location
content: Currently not on view
place: label: place made
content: Germany: Hesse, Darmstadt
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 Wesleyan University
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1985.0112.094
label: catalog number
content: 1985.0112.094
label: accession number
content: 1985.0112
objectType: label: Object Name
content: geometric model
label: Object Name
content: geometric model
physicalDescription: label: Physical Description
content: plaster (overall material)
label: Measurements
content: overall: 24.1 cm x 15 cm x 15 cm; 9 1/2 in x 5 29/32 in x 5 29/32 in