Geometric Model, L. Brill No. 137. Ser. 8 No. 26a, Spiral Surface
date: label: date made
content: 1892
name: label: maker
content: L. Brill
notes: label: Description
content: This white plaster model has a round base and a vertical spiral of eight turns. It is one of a series copied from originals at the technical high school in Munich, under the direction of Alexander Brill. A paper tag on the model reads: 137. Another paper tag reads: Schraubenfl. auf d. Ellips. abwickelbar. (/) Verl. v. L. Brill. 8. Ser. Nr. XXVIa.
label: Description
content: The model represents the surface of a screw on which a rotational ellipsoid (1985.098 - Brill #138) can be unwound. It follows ideas of E. Bour. The series was first published by Ludwig Brill in 1882.
label: Description
content: This example of the 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: 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: 1985.0112.097
label: catalog number
content: 1985.0112.097
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: 25.5 cm x 13 cm x 13 cm; 10 1/32 in x 5 1/8 in x 5 1/8 in