Geometric Model, L. Brill No. 81. Ser. 8 No. 24, Spiral
date: label: date made
content: 1892
name: label: maker
content: L. Brill
notes: label: Description
content: This plaster model has a curved plaster spiral rising from a plaster bas. It is described by the Göttingen university website as a “pipe helicoid” and by the catalog of the publisher, Ludwig Brill, as a “tubular screw surface.” The model was developed by Th. Kuenat the technical high school and Munich and first published in 1882. Various lines of curvature are indicated. This example of the model has no tags.
label: Description
content: This model 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. 17, 72-73..
label: Description
content: Accession file.
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: 1985.0112.059
label: catalog number
content: 1985.0112.059
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: 7.5 cm x 23.5 cm x 23.5 cm; 2 15/16 in x 9 1/4 in x 9 1/4 in