Geometric Model, Wave Surface of a Biaxial Crystal, L. Brill No. 160 Ser. 6. No. 1b, D41,10
date: label: date made
content: 1889
name: label: maker
content: Brill, L.
notes: label: Description
content: This white plaster model shows the inner shell of a Fresnel wave surface for a biaxial crystal. A paper tag on the model reads: D41,10.
label: Description
content: The outer shell of the wave surface is 1982.0795.25 and is L. Brill’s model No. 160, 1a.
label: Description
content: A wooden stand with museum number MA.304722.23.4 may be for this model.
label: Description
content: This is a white plaster model of the outer shell of a Fresnel wave surface for a biaxial crystal. The model originally was in two pieces that were notched to fit together. Both of the original two pieces are broken in half.
label: Description
content: A paper tag on one piece reads: D41,10. Another paper tag reads: Fresnel'sche Wellenflache (/) Verl. v. L. Brill 6. Ser. Nr. 1a.
label: Description
content: The inner shell of the wave surface is 1982.0795.24.
label: Description
content: The model is part of a series designed under the direction of Alexander Brill at the technical high school in Munich and first published in Darmstadt in 1880.
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 285 and 286.
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 the Department of Mathematics, The University of Michigan
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1982.0795.24
label: catalog number
content: 1982.0795.24
label: accession number
content: 1982.0795
objectType: label: Object Name
content: Geometric Model
physicalDescription: label: Physical Description
content: plaster (overall material)
label: Measurements
content: overall: 6.4 cm x 8 cm x 5.8 cm; 2 17/32 in x 3 5/32 in x 2 9/32 in