Geometric Model, L. Brill No. 115. Ser. 10.2 No. 30c, Surface of Revolution
date: label: date made
content: 1892
name: label: maker
content: L. Brill
notes: label: Description
content: In 1881, Gottlieb Herting, then a student in the technical high school in Munich where he worked under the direction of Alexander Brill, designed a set of eleven plaster models of surfaces of revolution. Herting would spend the rest of his career teaching mathematics and physics at an advanced high school (gymnasium) in Augsburg. The models would be published by Ludwig Brill of Darmstadt in 1885 as his Series 10, 30 (lettered a through l and given Brill numbers 113 to 123). A twelfth model in the series was designed by another Brill student, Sievert. This is letter “c” in that series. This example was exhibited at the German Educational Exhibit at the Columbian Exposition held in Chicago, where it was purchased by Wesleyan University.
label: Description
content: The plaster model shows the surface of revolution of the curve z = 8 / x<sup>2</sup> about the z-axis. Various asymptotic curves are indicated. An incomplete paper tag reads: [. . .] at.-Fl.m.Asympt. - (Hpttgt.-)Curv [. . .] [/] [. . .] erl. v. L. Brill. 10. Ser. Nchtr. Nr. XXX [. . .].
label: Description
content: References:
label: Description
content: Ludwig Brill, <I>Catalog mathematischer Modelle. . .</I>, Darmstadt: L. Brill, 1892, p. 22,76.
label: Description
content: J. C. Poggendorff, <I>J.C. Poggendorffs biographisch-literarisches Handwörterbuch zur Geschichte der exacten Wissenschaften . . .</I>, vol. 4, Barth, 1904, p. 626.
label: Description
content: “Asymptotic Curves,” website of the Mathematical Institute, Oxford University, accessed September 5, 2017.
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
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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: 1985.0112.084
label: catalog number
content: 1985.0112.084
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: 16 cm x 16 cm x 16 cm; 6 5/16 in x 6 5/16 in x 6 5/16 in