Geometric Model, L. Brill No. 50. Ser. 7 No. 21, Third Order Surface - Ruled Surface
date: label: date made
content: 1892
name: label: maker
content: L. Brill
notes: label: Description
content: This white plaster model of a third order ruled surface has a square base, a flat, high region, and a hollowed out region. The lines of a ruling for the surface are indicated.
label: Description
content: A paper tag o the model reads: 50. Another paper tag reads: Regelflache 3. Ord. [. . .] [/] Verl. v. L. Brill. 7. Ser. [. . .].
label: Description
content: This model, along with all the models of Series 7, is on the design of Carl Rodenberg of the technical high school in Munich.. It was first published by Brill in 1881.
label: Description
content: The object was exhibited at the German Educational Exhibit at the Columbian Exposition, a World’s Fair held in Chicago in 1893. It there was purchased by Wesleyan University in Connecticut, and subsequently was donated to the Smithsonian.
label: Description
content: References:
label: Description
content: L. Brill, <I>Catalog mathematischer Modelle. . .</I>, Darmstadt: L. Brill,1892, p.14, 63.
label: Description
content: Accession file.
label: Description
content: G. Fischer, <I>Mathematical Models</I>, Braunschweig: Vieweg, 1986, vol. 1, p. 32, vol. 2, pp. 12-14.
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: 1985.0112.040
label: catalog number
content: 1985.0112.040
label: accession number
content: 1985.0112
objectType: label: Object Name
content: geometric model
label: Other Terms
content: Third Order Surface
physicalDescription: label: Physical Description
content: paper (overall material)
label: Physical Description
content: plaster (overall material)
label: Measurements
content: overall: 14.5 cm x 12.5 cm x 12.5 cm; 5 23/32 in x 4 29/32 in x 4 29/32 in