Geometric Model, M. Schilling No. 156 Ser. 28 No. 5, Tangents to a Cubic Ellipse
date: label: date made
content: 1902-1914
name: label: maker
content: Schilling, Martin
notes: label: Description
content: This ruled surface has a black metal frame. The top and bottom are irregular quadrilaterals with curved sides, oriented in opposite directions. Two opposite sides are in the shape of quadrilaterals with curved sides. The surface is ruled with red threads.
label: Description
content: This is one of six models designed by Walter Ludwig of Breslau on the suggestion of Felix Klein and with the participation of Frederick Schilling. It sold from 1902. The metal model, painted black, is presently in six pieces; a top, a bottom and four sides. Various tan strings remain, but the surface is largely lost. The dimensions given are for the model unassembled.
label: Description
content: Compare 1982.0795.46.
label: Description
content: Schilling sold the model as the "Abwickelbare Fläche der Tangenten der Raumcurve." The strings represent tangents to a third order space curve (in this case a cubic ellipse).
label: Description
content: Reference:
label: Description
content: M. Schilling, <I>Catalog</I>, 1911, p. 72-74, 133.
label: Location
content: Currently not on view
place: label: place made
content: Germany: Saxony, Leipzig
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 Brown University Department of Mathematics
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.304722.34
label: catalog number
content: 304722.34
label: accession number
content: 304722
objectType: label: Object Name
content: Geometric Model
label: Object Name
content: geometric model
physicalDescription: label: Physical Description
content: metal (overall material)
label: Physical Description
content: thread (overall material)
label: Measurements
content: overall: 36.2 cm x 41 cm x 33 cm; 14 1/4 in x 16 5/32 in x 13 in