Geometric Model, L. Brill No. 158. Ser. 6 No. 3, Wave Surface with Stand
date: label: date made
content: 1892
name: label: maker
content: L. Brill
notes: label: Description
content: This white plaster model shows a wave surface of a negative uniaxial crystal. It is an ellipsoid, cut away in one quadrant to reveal a portion of a sphere. A paper tag on the model reads: 158. Another tag reads: Wellenfl. für opt. einax. Krystalle. (/) Verl. v. L. Brill. 6. Ser. Nr. 3.
label: Description
content: The model rests on a wooden stand painted black. A pencil mark on the bottom of the stand reads: VI.3.
label: Description
content: This is one of a series of models designed at the Munich polytechnic high school under the direction of Alexander Brill in 1880.
label: Description
content: This particular example of the model was exhibited at the Columbian Exposition, a World’s Fair held in Chicago in 1893.
label: Description
content: Compare to 1982.0795.23.
label: Description
content: References:
label: Description
content: L. Brill, <I>Catalog</I>, 1892, p. 13, 87.
label: Description
content: For examples of related models, with a reference to a related publication, see the Goettingen collection of mathematical models, model numbers 283 (Schilling #356) and 284 (Schilling #357).
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: 1985.0112.124
label: catalog number
content: 1985.0112.124
label: accession number
content: 1985.0112
objectType: label: Object Name
content: Geometric Model
label: Object Name
content: geometric model
physicalDescription: label: Physical Description
content: wood (overall material)
label: Physical Description
content: plaster (overall material)
label: Measurements
content: overall: 9 cm x 10.4 cm x 10.4 cm; 3 17/32 in x 4 3/32 in x 4 3/32 in
label: Measurements
content: model without stand: 7.8 cm x 8.5 cm x 8.5 cm; 3 1/16 in x 3 11/32 in x 3 11/32 in