Models of rubric: Surfaces of constant Gauß or medial curvature Model 69 Helicoid of constant negative curvature Model 182 Rotational surface of constant positive curvature; spindle type Model 183 Rotational surfaces of constant positive curvature, bulge type Model 183 Rotational surfaces of constant positive curvature, bulge type Model 184 Helicoid of constant positive curvature Model 185 Enneper surface of constant positive curvature, elliptic type Model 186 Enneper surface of constant positive curvature, cyclic type Model 187 Brass plates of constant positive curvature Model 187 Brass plates of constant positive curvature Model 188 Rotational surface of the tractrix of constant negative curvature Model 189 Rotational surface of constant negative curvature; cone type Model 190 Enneper surface of constant negative curvature Model 195 Catenoid Model 196 Helical surface Model 197 Catenoid made of pliable brass plate Model 198 Catenoid with geodetic lines. Model 199 Onduloid with geodetic lines. Model 200 Nodoid Model 216 Enneper surface Model 216 Enneper surface Model 217 Enneper surface Model 217 Enneper surface Model 386 Rotating surface of constant negative curvature Model 415 Brass plates of constant negative curvature Model 961 Crocheted model of hyperbolic surface
Göttingen Collection of Mathematical Models and Instruments
Göttingen Collection of Mathematical Models and Instruments
Helicoid of constant negative curvature
Rotational surface of constant positive curvature; spindle type
Rotational surfaces of constant positive curvature, bulge type
Helicoid of constant positive curvature
Enneper surface of constant positive curvature, elliptic type
Enneper surface of constant positive curvature, cyclic type
Brass plates of constant positive curvature
Rotational surface of the tractrix of constant negative curvature
Rotational surface of constant negative curvature; cone type
Enneper surface of constant negative curvature
Catenoid
Helical surface
Catenoid made of pliable brass plate
Catenoid with geodetic lines.
Onduloid with geodetic lines.
Nodoid
Enneper surface
Enneper surface
Rotating surface of constant negative curvature
Brass plates of constant negative curvature