Geometric Model, L. Brill No. 144. Ser. 8 No. 25c, Catenoid

Geometric Model, L. Brill No. 144. Ser. 8 No. 25c, Catenoid

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Description
This white plaster model of a catenoid has a round flat base and top and is indented at the center. The catenoid is a minimal surface, and the surface of rotation of a curve called the catenary. The model shows lines of curvature (parallels and meridians) as well as diagonal asymptotic lines A black metal strip (Brill's Model 145 - 1985.112.104) fits over part of it. A paper tag reads: 144. Another paper tag reads: Catenoid. (/) Verl. v. L. Brill. 8. Ser. Nr. XXVc.
This is one of a series of models designed at the technical high school im Munich under the direction of Alerxander Brill. The series was first published in 1882.
This example of the model was exhibited at the Columbian Exposition, a world’s fair held in Chicago in 1893.
References:
L. Brill, Catalog mathematischer Modelle..., Darmstadt: L. Brill,1892, p.17, 83-84.
Accession file.
G. Fischer, Mathematical Models,vol. I, p. 86 (Photo #90), vol. 2, pp. 43.
Location
Currently not on view
Object Name
geometric model
geometric model
date made
1892
maker
L. Brill
place made
Germany: Hesse, Darmstadt
Physical Description
plaster (overall material)
Measurements
overall: 14.5 cm x 20 cm x 20 cm; 5 23/32 in x 7 7/8 in x 7 7/8 in
ID Number
1985.0112.103
catalog number
1985.0112.103
accession number
1985.0112
Credit Line
Gift of Wesleyan University
subject
Mathematics
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Data Source
National Museum of American History
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