Serie XXVIII; Six models about the theory of cubic space curves

Number Title Date of Design Dimension (cm) Material
Serie XXVIII, nr. 1 Ellipse on an elliptical cylinder. 1902 12-14-40 Plastic
Serie XXVIII, nr. 2 Hyperbola on a hyperbolic cylinder. 1902 19-28-40 Plastic
Serie XXVIII, nr. 3 Parabolic hyperbola on a parabolic cylinder. 1902 16-16-40 Plastic
Serie XXVIII, nr. 4 Parabola on a hyperbolic cylinder. 1902 16-16-40 Plastic
Serie XXVIII, nr. 6 Horopter. 1902 20-23-47 Metal