Paper Model of an Elliptic Paraboloid, M. Schilling No. 28, Carton Ser. No. 5

Geometric Model, M. Schilling No. 28, Carton Ser. No. 5, Elliptic Paraboloid on Stand

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Geometric Model, M. Schilling No. 28, Carton Ser. No. 5, Elliptic Paraboloid on Stand
Geometric Model, M. Schilling No. 28, Carton Ser. No. 5, Elliptic Paraboloid on Stand
Geometric Model, M. Schilling No. 28, Carton Ser. No. 5, Elliptic Paraboloid on Stand with Envelope
Geometric Model, M. Schilling No. 28, Carton Ser. No. 5, Elliptic Paraboloid Flat with Envelope
Paper Model of an Elliptic Paraboloid, M. Schilling No. 28, Carton Ser. No. 5
Paper Model of an Elliptic Paraboloid, M. Schilling No. 28, Carton Ser. No. 5
Paper Model of an Elliptic Paraboloid, M. Schilling No. 28, Carton Ser. No. 5
Paper Model of an Elliptic Paraboloid, M. Schilling No. 28, Carton Ser. No. 5

Object Details

maker

Schilling, Martin

Description

In the nineteenth and early twentieth century, students studying technical subjects often learned about the representation of surfaces by equations in courses in solid analytic geometry. Schools in Europe, the United States, and Japan sometimes purchased models to illustrate such surfaces. The firm of Martin schilling in Leipzig published this one as part of a series of paper models (the “Carton” series) designed by Alexander Brill and first issued in 1874.

The tan paper model of an elliptic paraboloid consists of 26 intersecting circles and portions of circles. The two smallest circles are missing. The lines of intersection are numbered. The model is stored in light green paper envelope. The envelope is in a black paper box with the other models in the Carton series. A mark on the envelope reads: Karton-Modelle (/) von Flachen zweiter Ordnung. (/) Nr. 5. (/) Elliptisches Paraboloid. (/) Verlag von Martin Schilling in Halle a. S. Another mark there reads: Leipzig.

The model shows part of a surface that can be represented by the equation x²/a² + y²/ b² = - 2z (when the model is mounted on the stand as shown, the z-axis goes cross-wise). The stand is part of MA.304722.24.

Compare 1985.0112.018.

References:

Ludwig Brill, Catalog mathematischer Modelle. . ., Darmstadt: L. Brill, 1892, p. 1, 59.

Henry Burchard Fine and Henry Dallas Thompson, Coordinate Geometry, New York: Macmillan Company, 1931, p. 242.

M. Schilling, Catalog, 1911, p. 1-2, 114.

Location

Currently not on view

Credit Line

Gift of Brown University Department of Mathematics

date made

ca 1900

ID Number

MA.304722.18

catalog number

304722.18

accession number

304722

Object Name

Geometric Model

geometric model

Physical Description

paper (overall material)

Measurements

overall: 10 cm x 10 cm x 9.5 cm; 3 15/16 in x 3 15/16 in x 3 3/4 in

place made

Germany: Saxony, Leipzig

See more items in

Medicine and Science: Mathematics

Science & Mathematics

Data Source

National Museum of American History

Subject

Mathematics

Metadata Usage

CC0

Link to Original Record

https://n2t.net/ark:/65665/ng49ca746aa-9696-704b-e053-15f76fa0b4fa

Record ID

nmah_1213845