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Geometric Model, L. Brill No. 4. Ser. 10,1. 3, Ellipsoid Divided along a Circular Crossection

Geometric Model, L. Brill No. 4. Ser. 10,1. 3, Ellipsoid Divided along a Circular Crossection

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Description
This white plaster ellipsoid is divided in two along a circle that makes an angle of about 45 degrees with the major axis of the ellipse. Two metal rods protruding from the right portion fit into metal-lined holes in the left portion.
A tag on the model reads: Ellipsoid mit Kreisschitt. (/) Ver. v. L. Brill 10. S. 1. Nachtr. Nr.3. Another tag reads: D41,11. A stand with number MA.304722.23 also is marked D41,11.
This series of models was designed at the technical high school in Munich under the direction of Alexander Brill, and originally published in 1885.
Reference:
L. Brill, Catalog, 1892, p. 21, 57, 91
Location
Currently not on view
Object Name
Geometric Model
date made
1885-1900
maker
Brill, L.
place made
Germany: Hesse, Darmstadt
Physical Description
plaster (overall material)
paper (overall material)
Measurements
overall: 6.7 cm x 14 cm x 10 cm; 2 5/8 in x 5 1/2 in x 3 15/16 in
ID Number
1990.0571.02
catalog number
1990.0571.02
accession number
1990.0571
subject
Mathematics
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Data Source
National Museum of American History
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