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Serie XVII, Nr 5a

Orthogonal system on the sphere.


Mathematical description
This model represents an orthogonal system on the sphere, i.e., a square organization of the surface of the sphere.

Title model and translation
Orthogonalsysteme auf der Kugel.
Orthogonal system on the sphere.

Text on Sticker and translation
Orthogon. Kreissyst. m. Getrennt. Polen.
Orthogonal ringsystem with seperated poles.

Designer
J. Kleiber under the supervision of Prof. Dr. Dyck
München in 1888

Company
Martin Schilling in Halle a.S.

Original price
Mark 30 (for two pieces)

Dimension
15 cm

Material
Plaster

Literature
Schilling, M., Catalog mathematischer Modelle für den höheren mathematischen Unterricht, Leipzig: Verlag von Martin Schilling, 1911